Weston Direct Current Ammeter

Model No.38425

Weston Direct Current Ammeter Designed for use with a 100 mV shunt. The existing shunt is currently open circuit. Weston Electrical Instrument Company, Newark NJ USA date unknown.

This is one of many instruments collected by Jack Davidson C Eng FIEE which I have been given by Dr Graham Winbolt

Edward Weston [1850-1936] founded the Weston Electrical Instrument Company and held 334 patents.