I guess in 1950 they wired the light to the front of the machine? It is a time travel machine... a 1920's machine with a 1940's owners manual...........
http://tulsa.craigslist.org/atq/3845682956.html
Singer Treadle Sewing Machine
appears to be from 1920's
Has original Singer series
1940's manual and other original documentation.
Includes original key to lock the drawers
Still in working condition.
Has other associated sewing hardware.
This is a rare and highly collectible item
450.00