Light Lamp Socket, Singer (Vintage Original) boxed The White Featherweights were originally

The White Featherweights were originally supplied with a masonite template for the bottom of the machine

but the original

Featherweight historians

make sure that the finger on the bobbin case base is returned to it's correct position under the needle plate

Original Thumb Screw

Light Lamp Socket, Singer (Vintage Original) boxed The White Featherweights were originallyThis Light (Lamp) Socket for Singer Featherweight 221 includes socket, terminals, socket cap and insulated lead. Vintage original part. This part will only fit the black Featherweights that have the light switch on the base of the machine (not the light that also has the switch). * Shade & Bulb are not included.