I've got my grandmas singer sewing machine serial number b209931 and can't find out any info about it

https://sewalot.com/dating_singer_sewing_machine_by_serial_number.htm

Possibly 1859 according to the website shown. Before 1900 no letter before the serial number on Singer sewing machines.

DATING SINGER SEWING MACHINES SINGER SERIAL NUMBERS SEWALOT ALEX ASKAROFF

Here you go:

Singer Sewing Machine Company Serial Numbers

The model number is included in the serial number:

Series Serial Numbers Comprehensive Singer Sewing Machine Serial Number...

Try this for info:

Singer Sewing Machine Company Serial Numbers

Very difficult to give value because it depends on a lot of things--age, condition, rarity, accessories included, mechanically sound...

The AD069030 is a model 66 machine built after April 1, 1930. You can find the serial number lookup table here: http://ismacs.net/singer_sewing_machine_company/serial-numbers/singer-sewing-machine-serial-number-database.html . The manual to the model 66 treadle machine is available from Singer here: http://www.singerco.com/support/instruction-manuals . The direct link to the manual is http://www.singerco.com/uploads/download/41_66.pdf . There are additional web pages on the history of the 66 available through a Google search for 'Singer 66 sewing machine'.

I hope this helps.

Cindy Wells

You will probably find info about your machine here:

Singer Sewing Machine Company Serial Numbers

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Here's what info there is on the machine:

Singer Sewing Machine Serial Number Database

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Google singer and serial, or find singer collectors they probably have complete serial number list. Hopefully, it will correspond to a model, then more search for information on the model.

Probably not worth much. I have found them setting out for the garbage truck.

You can try here - Email Singer at: [email protected]