Accession No

4490

Brief Description

moving coil, pointer voltmeter

Origin

Germany

Maker

Class

electrical

Earliest Date

1900

Latest Date

1950

Inscription Date

Material

wood; card; metal; brass; copper; leather

Dimensions

length 170mm; breadth 150mm; height 80mm

Special Collection

Provenance

Inscription

‘KILO-OHM
VOLT
Richtig bei +20˚C
7400 Ω’ (card)

Description Notes

Open-topped, rectangular wooden box with leather carrying strap, contains voltmeter set on metal base. Two terminals on outside of box, also a hook fastener for the missing lid.
Copper coil within magnet is attached to pointer which moves over a card carrying scales for kilo-ohms and volts. Resistance scale divided 0 - 100, numbered 0, 5, 10, 20, 50, 100. Volt scale divided 0 - 150, numbered by 50.

Condition fair

References

Events