Singer sewing serial numbers

How old is my Lead sewing machine? Is it actually a rare antique? Found out methods old your Singer is and check our serial number list. Stop to content. Site navigation. Blog; Required Artists; Learn the Basics; What to; Get Inspiration/Ideas; Industry news; Shop; Navigation Mobile navigation.

Probably Singer and Bernina are the only two sewing machine companies that have enjoyed a longer existence than White. ... White Sewing Machine Serial Numbers. The serial number on your vintage White sewing machine is an important part of finding out how old it is. The location of the serial number may be in one of a variety of places and it ...I have a singer treadle sewing machine made in 1900, serial number N295531, and would like to know the model number as it is not on the machi e. Thanks. Expert's Assistant: That's a fascinating item! Can you please describe the physical appearance of the sewing machine? It's a treadle sewing machine...Keep an eye on the serial number. Match the serial number on your sewing machine to one of the three lists posted online by the Singer Company (see Resources). Are old Singer sewing machines also valuable? A machine is not a valuable antique just because it is old. Antique Singer sewing machines with a lot of detail will appeal to collectors.Sewing, Embroidery, Fabric Cutting machines and more! Shop Ditto. Lorem ipsum dolor sit amet, consectetur adipiscing elit. ... Let the SINGER® MOMENTO™ cutting machine do the heavy lifting for you. Learn More. SINGER® MOMENTO™ Heat Presses. Flawless results every time, powering through large batches or one project. ...N Series Serial Numbers. P Series Serial Numbers. R Series Serial Numbers. S Series Serial Numbers. V Series Serial Numbers. W Series Serial Numbers. Y Series Serial Numbers. ISMACS Singer Serial Number lookup. Here you can look up your serial number and find out when your Singer Sewing Machine was made as well as identify what model you have.The best way to determine the age of a Singer sewing machine is by checking its model and serial number. Model numbers for Singer sewing machines made before the 1900s are featured right underneath the Singer brand name on the front panel. It's located close to the handwheel near the switch.

I'm seeing that G-0314276 through G-0339275 were 128s that were allotted on August 27, 1923. I also have a 128 from 1923! There is no resource that lists every single individual serial number. That would be an absurdly long file, and it would be pointless. These are number ranges. Your machine is a 128 from 1923 .The first thing to look for if you're after a collector's Singer machine, is the age of the item. Over 100 years old is considered an antique, and younger than that is 'vintage'. By matching the serial number to the corresponding date, you can determine the exact age of the machine. Quality also plays an important part in the value of ...Find Your Model #. For sewing machines manufactured since about 1990, look for the model number on the handwheel side of the machine near the on/off switch or the electric cord receptacle. You will find the model number on the front panel of machines manufactured in the 1970s and 1980s. Sewing machines manufactured in the 1960s …From the Singer Sewing Co. website, Serial Number support page (active page link no longer exists) - G Series listing of Register numbers: This machine was "born" on January 3, 1918 and was part of a lot of 50,000 model 15 machines. Visit the Singer website and search for "serial number" to find the manufacture dates; visit their Support page ...FUN TRIVIA: Total number of black Featherweights made: 2,094,041. Total number of 222K Featherweights made: 108,900 An approximate total of all Featherweights made: 2,202,941 * Singer Sewing Machine models within the JE batch of serial numbers were made in 1961. A few tan Featherweights were included in this series, but records are inconclusive as to how many.Home Singer Sewing Machine Company Singer Sewing Machine Serial Number DatabaseSerial Numbers Beginning With: EE. Singer Sewing Machine Serial Number Database Serial Numbers Beginning with: EE. Letter Register Numbers From - To Machine Class (Model No.) Quantity Allotted Date Allotted Year Allotted Notes; EE-000001: 100000: 15K: 100000: April ...You can easily identify and date a vintage Singer sewing machine using serial numbers. Different Singer trademark badges and decals, like “Sphinx,” “Red …

Serial numbers on Singer sewing machines serve as unique identifiers for each unit. They enable the tracking of manufacturing dates, models, and sometimes the location of production. This system was established as Singer's production expanded globally, ensuring consistency and authenticity in its products.Featherweight 221/221K/222K Serial Numbers. & Other Singer Machines. I have tried to make it easier for you to find out the year your Featherweight was made by going through the serial number records published by Singer and pulling out all of the Featherweight data and createed the list below of just Featherweight data.Serial numbers on Singer sewing machines serve as unique identifiers for each unit. They enable the tracking of manufacturing dates, models, and sometimes the location of production. This system was established as Singer's production expanded globally, ensuring consistency and authenticity in its products.A van Gogh painting called “The Parsonage Garden at Nuenen in Spring” was stolen from the closed Singer Laren Museum in the Netherlands. It’s no secret that most museums around the...The Singer class 66 models were heavy duty domestic sewing machines that set the standard for several decades, and indeed the Class 66 bobbin and the 66 style horizontal oscillating hook arrangement are still in use on many ‘new’ sewing machines today. Because the 66K’s were full size machines weighing around 30lbs, they were usually sold ...

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Everything you need to know about Singer full size sewing machine models 66, and 66K. Treadle, electric or hand crank. Singer Sewing Info. Singer Domestic Machines. Domestic Models; Accessories. ... Surviving serial number records indicate British production of the 66K ran from 1907 until 1939. In the USA production continued until 1956. The ...Home Singer Sewing Machine Company Singer Sewing Machine Serial Number DatabaseSerial Numbers Beginning With: N. Singer Sewing Machine Serial Number Database Serial Numbers Beginning with:N. Letter Register Numbers From - To Machine Class (Model No.) Quantity Allotted Date Allotted Year Allotted Notes; N-6001: 21000: 15: …Singer Sewing Machine Serial Number Database Serial Numbers with no letter prefix. Note that currently there seems to be no Model Number, Quantity or Date information for these serial numbers. Letter Register Numbers From - To Machine Class (Model No.) Quantity Allotted Date Allotted Year Allotted Notes; 611,000: 913,999: 1871: 914,000: …Information about the cabinets and tables produced by the Singer Sewing Machine Company for its sewing machines. International Sewing Machine Collectors' Society ... Home Singer Sewing Machine CompanyCabinets. Cabinets for Various Model Singers. Singer Open Side Cabinet No. 24. Machine Models. 15 15-91 24 66 99 101 115 127 128 201 221 301 400 500.The serial number will be on a metal plate somewhere on your Singer sewing machine. When you find your serial number, you then crosscheck it with a database on Singer's website. This will tell you when the sewing machine was issued. To be clear, just because you bought the sewing machine in a certain year, doesn't mean that the sewing machine ...

The simple guide to dating your early Singer sewing machines. (Where your Singer has two serial numbers always choose the larger of the two to date your machine) Singer machine serial number dating Guide (Brace yourself it's tricky!) Please note this is only a guide, not gospel! Singer F Series Serial Numbers International Sewing Machine Collectors' Society The purpose of the International Sewing Machine Collectors' Society is to foster the collecting of, and research into, sewing machines.John Langdon explains why some Singer Sewing Machines have two serial numbers. Singer stamped its early machines with two numbers. Officially, what we know as the serial number was called the 'Register Number' and, until the end of 1899, it kept a running total of all the machines made by both the USA and Scotland factories. Continue ReadingThe manufacturing date can often be found on the machine itself or through the machine’s serial number. Websites like singer.com can help you determine the age of your Singer sewing machine based on its serial number. Model Type and Features. The model type and features of a Singer sewing machine also contribute to its value.Singer EM Series Serial Numbers. ... The purpose of the International Sewing Machine Collectors' Society is to foster the collecting of, and research into, sewing machines. Manufactures . If your sewing machine, accessory, or ephemera has a name on it, this is the place to start. If we don't have a listing for the name, please use the search ...Home Singer Sewing Machine Company Singer Sewing Machine Serial Number DatabaseSerial Numbers Beginning With: EH. Singer Sewing Machine Serial Number Database Serial Numbers Beginning with: EH. Letter Register Numbers From - To Machine Class (Model No.) Quantity Allotted Date Allotted Year Allotted Notes; EH …In 1954 Singer purchased the factory and sewing machine business of the Haid-und-Neu company in Karlsruhe, Germany. Haid-und-Neu had been manufacturing sewing machines in Karlsruhe since the 1860's and had purpose built the existing factory in 1893. ... Serial numbers took the form of PA, PB, PC etc. followed by 6 digits starting at 000001 up ...The last 15-91 made by "The Singer Manufacturing Company" was in the mid 1950's. The Singer 15-91 in the photo on the left was built in 1953, according to the Singer machine serial numbers lookup (for double letter prefixes). It was fully functional, with a rebuilt "potted" motor, and was sold for $200.00 at my leathercraft and sewing shop.Step 1: Find the Serial/Model Number. TREADLE/HAND CRANK. On the throat plate or bed of the machine, up to a series of 8 numbers. TREADLE/ELECTRIC. On right hand side of the machine, 2 letters, followed by 6 numbers. ELECTRIC. Underneath the machine, 2 letters followed by 6 numbers. 1960’s TO CURRENT.

Home Singer Sewing Machine Company Singer Sewing Machine Serial Number DatabaseSerial Numbers Beginning With: EE. Singer Sewing Machine Serial Number Database Serial Numbers Beginning with: EE. Letter Register Numbers From - To Machine Class (Model No.) Quantity Allotted Date Allotted Year Allotted Notes; EE-000001: 100000: 15K: 100000: April ...

Although we can't provide you with an exact value for your machine*, we can provide you with some ways to help you discover it for yourself. Step 1: Find the Serial/Model …Here you can look up your serial number and find out when your Singer Sewing Machine was made as well as identify what model you have. International Sewing Machine Collectors' Society The purpose of the International Sewing Machine Collectors' Society is to foster the collecting of, and research into, sewing machines.Hexagon Model 127 Serial No. X65532. This is an unusual version of the Singer 127 made for the Hexagon Sewing Machine Co. Ltd c1920 for sale in France. Note the "Fabrication Anglaise" on top of the arm. A number of parts have Simanco stamped on them which is an abbreviation of Singer Manufacturing Co and confirms it was made by the company.Singer S Series Serial Numbers. International Sewing Machine Collectors' Society ... Singer Sewing Machine Serial Number Database Serial Numbers Beginning with: S. Letter Register Numbers From - To Machine Class (Model No.) Quantity Allotted Date Allotted Year Allotted Notes; S-000001:Home Singer Sewing Machine Company Singer Sewing Machine Serial Number DatabaseSerial Numbers Beginning With: AP. Singer Sewing Machine Serial Number Database Serial Numbers Beginning with: AP. Letter Register Numbers From - To Machine Class (Model No.) Quantity Allotted Date Allotted Year Allotted Notes; AP-000001: 150000: 600: 150000: October 26:Home Singer Sewing Machine Company Singer Sewing Machine Serial Number DatabaseSerial Numbers Beginning With: AH. Singer Sewing Machine Serial Number Database Serial Numbers Beginning with: AH. Letter Register Numbers From - To Machine Class (Model No.) Quantity Allotted Date Allotted Year Allotted Notes; AH: …Singer needed a sewing machine to compete with all the Japanese models flooding the market and the 401A was it. ... The machines were usually given three different double letters at the beginning of their serial numbers. There were the NA, NB, & NC letters, and these letters were also used for different sewing machines made at the Anderson ...How to find the serial number on your vintage Singer sewing machine, then use the number to check its details.00:00 Find the serial number00:18 Look up the n...

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Home Singer Sewing Machine Company Singer Sewing Machine Serial Number DatabaseSerial Numbers Beginning With: EC. Singer Sewing Machine Serial Number Database Serial Numbers Beginning with: EC. Letter Register Numbers From - To Machine Class (Model No.) Quantity Allotted Date Allotted Year Allotted Notes; EC-000001: 080000: 15K: 80000: February ...Singer Serial Numbers All vintage Singer sewing machines will have a serial number stamped into the body of the machine. The position of the serial number is often dependant on the model and sometimes the era in which it is made, but the most common placement is on the top of the bed in front of the pillar.Serial number says it was manufactured - Answered by a verified Antique Expert. We use cookies to give you the best possible experience on our website. ... Singer sewing machine serial number Y8711094. 1923 Curious. 1923 Curious about what its worth It needs a belt but is operational ...12. Consulting Documentation. 13. Consulting Museum Exhibits. 14. Utilizing Third-Party Sources. In order to determine the age of a Singer sewing machine accurately and precisely, it is important to know the serial number of the machine. Singer sewing machines have been in production since 1851 and there are several methods for age determination.To date your Singer Featherweight, you will need to locate the serial number on the bottom of your machine. It has two letters followed by a series of six numbers. Using the serial …Super Member. Thread Starter. Join Date: Aug 2011. Location: Sparks, NV. Posts: 1,243. Help Dating a 319W via its Serial Number. W1628028. I am unable to find information on the Singer "W" serial numbers. They don't seem to be on either the Singer site or ISMACS.Apr 1, 2024 · Serial numbers on Singer sewing machines are unique identifiers. They often consist of a single letter prefix followed by a series of numbers. For example: Letter prefix “AD”: Manufactured in 1930. Serial number “AD123456”: Indicates the specific machine within the production series. Mar 17, 2024 · Enter a Singer serial number and the app will find the information about when the serial number was issued and to which Singer model it was assigned. Updated on. Mar 17, 2024. Books & Reference. Singer AL Series Serial Numbers. International Sewing Machine Collectors' Society ... Singer Sewing Machine Serial Number Database Serial Numbers Beginning with: AL. Letter Register Numbers From - To Machine Class (Model No.) Quantity Allotted Date Allotted Year Allotted Notes; AL-000001: Letter Register Numbers From - To Machine Class (Model No.) Quantity Allotted Date Allotted Year Allotted Notes; H-1: 10000: 27: 10000: January 2: 1906: Montreal: H-10001 The first Singer sewing machine was manufactured in 1851, but some of the logbooks from that time period were lost. Because of this, there are no available serial numbers for the years from 1851 to 1870. If there are no letters in the serial number on a machine, you can be sure that it was manufactured prior to 1900. ….

Home Singer Sewing Machine Company Singer Sewing Machine Serial Number DatabaseSerial Numbers Beginning With: EF. Singer Sewing Machine Serial Number Database Serial Numbers Beginning with: EF. Letter Register Numbers From - To Machine Class (Model No.) Quantity Allotted Date Allotted Year Allotted Notes; EF-000001: …Singer is a renowned brand in the sewing industry, known for its high-quality sewing machines. However, even the most experienced sewers sometimes need a little guidance when it co...319K (16 MB) Instructions for using the Singer 319K automatic swing needle sewing machine (1957 - 108 pages). Before computerisation, embroidery stitches had to be achieved mechanically. This zigzag machine has a set of levers on the top which, in combination with the 30 supplied fashion discs (flat cams), manipulate the byte of the needle to ...Singer AE Series Serial Numbers International Sewing Machine Collectors' Society The purpose of the International Sewing Machine Collectors' Society is to foster the collecting of, and research into, sewing machines.The first Singer 221 Featherweights were produced in the USA in 1933 and had serial numbers that began with "AD". The last Featherweight 221 machines produced in the USA were made in 1957 and had serial numbers that began with "AM". Canadian Singer Featherweight machines have a more complex serial number story than the USA produced Featherweights.Here you can look up your serial number and find out when your Singer Sewing Machine was made as well as identify what model you have. International Sewing Machine Collectors' Society The purpose of the International Sewing Machine Collectors' Society is to foster the collecting of, and research into, sewing machines.The letters in your Singer machine's model number tell you where it was made - 'K' for Scotland, 'G' for Germany, and 'M' for Italy. Different regions might have variations, like 401G in Germany or 401A in the USA. Your machine's features can depend on where it was made. Find your sewing machine's serial number under the bed ...For example, a Dressmaker S-2402 that sold recently had a serial number of 0095204. The serial number offers a unique identification. The model number describes a whole line of sewing machines. What is a Dressmaker Sewing Machine Worth? Vintage Dressmaker sewing machines sell for anywhere from $20 to $200 today, but they often fall at the low ...John Langdon explains why some Singer Sewing Machines have two serial numbers. Singer stamped its early machines with two numbers. Officially, what we know as the serial number was called the 'Register Number' and, until the end of 1899, it kept a running total of all the machines made by both the USA and Scotland factories. Continue Reading Singer sewing serial numbers, 221K = Manufactured in Kilbowie, Scotland. 221J = Manufactured in St. John’s, Quebec, Canada. Three detailed charts provided for dating based on serial number ranges. Chart 1: Black Singer Featherweight 221 machines. Chart 2: White 221K / Tan 221J machines. Chart 3: Singer Featherweight 222K free-arm machines., Model 201. The Singer Model 201 was introduced in 1932 and remained in production until 1961 (although there was a break in production between Autumn 1941 and Spring 1946). The last batch of 10,000 machines was commissioned in November 1961. The machine is considered to be the finest full sized sewing machine Singer ever produced., Serial numbers on Singer sewing machines manufactured prior to 1900 have numbers only. After 1900 the machine serial numbers have a single or two-letter prefix. This table will tel you the age of machine that have serial numbers starting with two letters. The late 50's and early 60's are referred to the golden age of sewing machines, not ..., To date your Singer Featherweight, you will need to locate the serial number on the bottom of your machine. It has two letters followed by a series of six numbers. Using the serial number you can use the three charts below to find the date when your machine was given a batch assignment at the factory. If you do not find your machine serial ..., The technology took years to develop, and now a Chinese firm is using it in a massive new US factory that will churn out 1.2 million t-shirts per year. Sewing simple items of cloth..., The first thing to look for if you’re after a collector’s Singer machine, is the age of the item. Over 100 years old is considered an antique, and younger than that is ‘vintage’. By matching the serial number to the corresponding date, you can determine the exact age of the machine. Quality also plays an important part in the value of ..., 31 January 1961. ES 522944. ES 527943. 5000. 30 March 1961. NOTE. 222K machines up until the middle of 1959 had a plain gold badge with a black patterned border. After this time (serial numbers EP54xxxx and later) the 'Red S' badge was used. There were therefore only about 25,000 'Red S' 222K Featherweight machines made., Home Singer Sewing Machine Company Singer Sewing Machine Serial Number DatabaseSerial Numbers Beginning With: EH. Singer Sewing Machine Serial Number Database Serial Numbers Beginning with: EH. Letter Register Numbers From - To Machine Class (Model No.) Quantity Allotted Date Allotted Year Allotted Notes; EH …, This 328K sewing machine has serial number EV007611 and was born on December 10, 1962 and shares her birthday with 9797 siblings. She is distinguished by it's grey "hammered" paint. The Singer model 328K aluminum body sewing machines were made in Kilbowie Scotland between 1960 and 1965. The 328K was known as the "Style-O-Matic"., SINGER SEWING COMPANY "AB" Series Register Numbers Factory Name: Elizabethport Elizabeth, New Jersey Register Numbers Class Quantity DateYear Letter From To (Model No.)Allotted Allotted Allotted Notes AB- 656176 656275 62 100 May 25 1927 AB- 656276 659275 95 3000 June 15 1927 AB- 659276 661275 96 2000 June 15 1927 AB- 661276 676275 99 15000 ..., I'm seeing that G-0314276 through G-0339275 were 128s that were allotted on August 27, 1923. I also have a 128 from 1923! There is no resource that lists every single individual serial number. That would be an absurdly long file, and it would be pointless. These are number ranges. Your machine is a 128 from 1923 ., These are given below: 1. Look for a serial number. If you're trying to determine the age of your Singer sewing machine, one place to look is for a serial number. You can find this on a metal plate on the bottom of your sewing machine or the back or top. The Singer Manufacturing Company began producing sewing machines in 1851, so if you have ..., The fact is "only" 10,000 sewing machines with "NA" serial numbers were allotted to be manufactured in 1951 during Singer's 100th Anniversary. ... Singer 301's, up to serial number NA130000, all have a "Paperclip" decal set with a center decal that looks like an "S". Singer 301's and 301A's, after serial number NA130000, all have a "Prism ..., Sorry I keep pressing the wrong key: The serial numbers of my vintage Singer sewing machines are: Y2317536, hand cranked and ER901358 K222 Featherlight electric machine (learned to sew on this one). Both are in excellent condition with all the attachments., Re: Where is the serial# on Singer 101, anybody know? "From around the late 1950's on-ward, most Singer Sewing Machines had their Model Numbers clearly visible on the front or base of most machines. Prior to the late 1950's, most Singer machines DID NOT have the Model Number anywhere on the machine, thereby making it very difficult to identify.", The Singer sewing machine factory in Saint-Jean-sur-Richelieu, Quebec, Canada was established in 1904 at a cost of $1,000,000. ... Some machines badged as being made in St John's are known to have Kilbowie serial numbers. Until 1924 serial numbers for machines made in Canada were issued by the Elizabethport factory in New Jersey, USA., Singer Sewing Machine Serial Numbers. A serial number and a model number are assigned to every Singer sewing machine. There are times when you can find these numbers together. In older machines, these numbers are usually etched on a small metal plate on the front. Serial numbers are commonly found near the power switch or …, Home Singer Sewing Machine Company Singer Sewing Machine Serial Number DatabaseSerial Numbers Beginning With: K. Singer Sewing Machine Serial Number Database Serial Numbers Beginning with: K. Letter Register Numbers From - To Machine Class (Model No.) Quantity Allotted Date Allotted Year Allotted Notes; K-1: 9000: 27-4: …, Over 35,000 civilians lost their homes, many of them shipyard workers and Singer employees who lived in the Clydebank tenements near to the plants. From its opening in 1884 until 1943 the Kilbowie factory produced approximately 36,000,000 sewing machines. Singer was the world leader and sold more machines than all the other makers added together., A treadle Singer sewing machine value can be anywhere between $100 and $1,000. Davis sewing machines typically cost between $50 and $200. Grover and Baker machines are uncommon and sell for $1,000 to $2,000 each. Machines made by Wheeler & Wilson cost $150 to $300. Machines from Pfaff Company cost $100 to $500., Singer AL Series Serial Numbers International Sewing Machine Collectors' Society The purpose of the International Sewing Machine Collectors' Society is to foster the collecting of, and research into, sewing machines. , An Antique Singer Sewing Machine from around 1916, specifically the SINGER 66 REDEYE/TREADLE SEWING MACHINE. It has a serial number G-4921374 and falls within the range of G-4895371 to G-4945370. The model is 66 and it was made on September 27, 1916., The early Willcox & Gibbs dating guide that we have right now comes from Cooper's book, page 123: 1857-1866 - 10,000 per year. 1867-1870 - 14,999 per year. This distribution of production is a simple accommodation. Consider The Combination production numbers that Cooper's book reports on page 40 for established companies in 1857:, Singer Serial Numbers All vintage Singer sewing machines will have a serial number stamped into the body of the machine. The position of the serial number is often dependant on the model and sometimes the era in which it is made, but the most common placement is on the top of the bed in front of the pillar., The first Singer 221 Featherweights were produced in the USA in 1933 and had serial numbers that began with "AD". The last Featherweight 221 machines produced in the USA were made in 1957 and had serial numbers that began with "AM". Canadian Singer Featherweight machines have a more complex serial number story than the USA produced Featherweights., Pre 1900 Serial Numbers. Up until 1900 a simple sequential numbering system (1 up to #16,831,099) was used. There are no factual records at all from this period, just a best estimate of the years when ranges of numbers were probably made. These are though generally regarded as being fairly accurate. Until 1889 most machines carried 2 numbers ..., Choosing the best industrial sewing machine for your business is an important step to ensuring optimal productivity, quality, and durability. If you buy something through our links..., The serial number is ***** Singer sewing machine can you tell me how old it might be. Expert's Assistant: The Antiques Appraiser can help. You can also send photos once I've connected you. What condition is the sewing machine in? It is in very good condition and has lots of attachments with a instruction book., Home Singer Sewing Machine Company Singer Sewing Machine Serial Number DatabaseSerial Numbers Beginning With: EL. Singer Sewing Machine Serial Number Database Serial Numbers Beginning with: EL. Letter Register Numbers From - To Machine Class (Model No.) Quantity Allotted Date Allotted Year Allotted Notes; EL-000001: 060000: 15K80: 40000:, 431G. The 431G is similar to the 411G but has a removable bed to form a free arm machine. It is therefore a lot more desirable, making this model particularly sought after. The models incorporate 8 built-in zigzag patterns, but extra patterns can be obtained by fitting top hat pattern cams beneath a flap on top of the machine., You’ve found a gorgeous 1955 Chevrolet Bel-Air for sale. If you want to find out as much information about the car before purchasing it, start with the serial number. Here is some ..., Similar subject: How to determine WHERE your Singer was built…Link: https://youtu.be/qQeOLuanNtYSome people make the same mistakes when dating an old vintage..., Serial Number Magic. Your Singer sewing machine has a serial number up or under the bed. Unlike the one on the motor or any other random part, this number holds the key to dating and locating its origins. Early machines featured a single number, while later serial numbers had a single- or double-letter prefix.