1874 PAT SPIRAL SCREWDRIVER ELECTRIC NY
An early patented spiral screwdriver. Marked strongly ELECTRIC Pat Nov 24 1874 and NY M'f'g'r's Co. New York. A nice example of an early and important spiral screwdriver.

An early patented spiral screwdriver. Marked strongly ELECTRIC Pat Nov 24 1874 and NY M'f'g'r's Co. New York. A nice example of an early and important spiral screwdriver.