Voltmeter
Category
Scientific instruments
Date
Unknown
Materials
Steel, glass and plastic.
Measurements
70 mm (Height) x 20 mm (Depth); 55 mm (Diameter)
Collection
Penrhyn Castle, Gwynedd
NT 1700685
Summary
Voltmeter. A voltmeter for measuring up to 120 volts, housed in a circular stainless steel case with a glass front. A steel contact with a black plastic holder is connected by an insulated wire to the meter. There are two further contacts projecting as spigots from the base of the case.
Marks and inscriptions
On dial: [DRP] / 0 20 40 60 80 100 120 / R4000[symbol] / RADIO VOLTMETER On dial: R200[symbol] / 0 1 2 3 4 5 6 On lower dial: VOLT / [N] / 6 VOLT + 120 VOLT