Singer Featherweight 221 Crinkle and Blackside Machines

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Industrial Model 7-31
S/N AG413031                          May 26, 1942

There is a picture in the book Singer in World War II, 1939-1945, of women sewing at six model 7-31 machines; the caption reads:

"Another section of an Army Salvage Depot where squad tents and other large canvas items are repaired. Top view shows overall size of a large, table-high platform built to hold them while being stitched. Lower view illustrates how operator using a heavy Singer Machine requires assistance from man standing, who moves the tents as they are being mended."


Singer Model 7-31 shown during an auction at Fort Lewis, Washington in the spring of 2001. Machine description:

Industrial sewing machine. 1-Singer Mfg Co Tag #7-31, SN AG413031 with G.E. switch, 3PH,  1/3HP, 1725 RPM, 210/230V 1.5AMPS, Singer Electric Transmitter Cat No S523367.

.Singer 7-31

731close.jpg (17928 bytes)

Household Machines:
Black Feet & Attachments
Featherweight 221 Crinkle Machine
Featherweight 221 Blackside Machine
Singer 15 with Black Faceplate
Singer 66 Crinkle Machine 
Singer 99 Crinkle Machine with Black Faceplate
Singer 128 Crinkle Machine with Black Faceplate

Industrial  Machines:
144W for mending uniforms and articles of heavy canvas
241-3 with phosphor bronze fittings for stitching ignition pads

Industrial  Machines:


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