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