Light Lamp Socket, Singer (Vintage Original) boxed It is not known exactly

It is not known exactly how many specialty-badged machines were actually made for and sold at the Chicago World's Fair

but the original

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

1953 and is given a Grade 8+

the front gib screw is not

Light Lamp Socket, Singer (Vintage Original) boxed It is not known exactlyThis 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.