Voltmeter [Cardew's Voltmeter]
Maker and role
Drake and Gorham Limited, Manufacturer
See full details
Object detail
Accession number
1969.231.1
Maker
Description
Cardew Voltmeter, No.148, made by Drake and Gorham, London. The voltmeter is round with a white glass covered dial calibrated from 0 ~ 120. Voltmeter has a long cylindrical shaft with an attachment clip at its base. Voltmeter is covered in a metal shell that is bronze in colour. A long black pointer pivots at the centre for direct read-outs. To measure 130 volts. Total current may be kept on continuously. Resistance 361.05 ohms at 135.6. Meter has a small museum tag reading 'Cardew Voltmeter. To measure 130 Volts total. Current may be kept on consistently. Resistance 361.05. OHMS. At 135.6'
Marks
Cardew's Voltmeter
Patent
Drake & Gorham
London Printed
Cardew's Voltmeter/ Patent/ No. 148/ Drake & Gorham/ London Printed
IV Engraved
Cardew's Voltmeter/ Patent/ No. 148/ Drake & Gorham/ London Printed
IV Engraved
Cardew's Voltmeter/ Patent/ No. 148/ Drake & Gorham/ London Printed
IV Engraved
Patent
Drake & Gorham
London Printed
Cardew's Voltmeter/ Patent/ No. 148/ Drake & Gorham/ London Printed
IV Engraved
Cardew's Voltmeter/ Patent/ No. 148/ Drake & Gorham/ London Printed
IV Engraved
Cardew's Voltmeter/ Patent/ No. 148/ Drake & Gorham/ London Printed
IV Engraved
Media/Materials
Credit Line
Drake and Gorham Limited. Voltmeter [Cardew's Voltmeter], 1969.231.1. The Museum of Transport and Technology (MOTAT).
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