Historical information
In 1993 this items was held in the Mt Helen Physics Department Optic Laboratory.
Physical description
Wattmeter type PWG, Range 0-1.5 kw, semi-circular scale. Three volt ranges: 150v, 300v, 600v. 50 Hz. In varnished wooden carry case, with hinged lid and leather carry strao. Calibration chart inside lid.
Inscriptions & markings
Serial Number 2973