Federation University Historical Collection
Electrical Instrument, Volt Ratio Box: Serial No 3021
... Volt Ratio Box: Serial No 3021...volt ratio box...D.C. Volt ratio box. 100 OHMS per volt. Black terminal post... scientific instrument volt ratio box physics laboratory electrical ...
D.C. Volt ratio box. 100 OHMS per volt. Black terminal post pane;, inside a polished box with hinged lid and leather carry handle. Serial Number: 3021scientific instrument, volt ratio box, physics, laboratory, electrical instrument, electrical engineering
