Transformer for Genothalmic Diagnostic Instruments 1915
Transformer for Genothalmic Diagnostic Instruments originally accompanied and was hooked up to the Genothalmic retinsocope seen elsewhere on eyeantiques.
It was made by the General Optical Co. of Mt Vernon N.Y.
It is a 115 volt 60 cycle transformer. It has a rheostat marked Off, Dim and Full.
It is designed to screw into a lightbulb type of socket.
