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Recording voltmeter

Recording voltmeter, J H Holmes & Co, Newcastle-on-Tyne, UK

Summary

Object No.

H6579

Object Statement

Recording voltmeter, J H Holmes & Co, Newcastle-on-Tyne, UK

Physical Description

Recording voltmeter, J H Holmes & Co, Newcastle-on-Tyne, UK

Marks

On maker's plate: J H HOLMES & Co / NEWCASTLE-ON-TYNE / No 3602 / MURDAY'S PAT 28749 ('02)

Production

Notes

The maker, a company started by John Henry Holmes, was an early manufacturer of electric dynamos. Holmes also invented the standard 'make or break' light switch.

Murday's patent made chart recordings easier to read by making the time axis linear rather than curved.

History

Notes

The voltmeter was used for teaching and/or research at the University of Sydney.

Source

Credit Line

Gift of J Brown, 1959

Acquisition Date

7 September 1959

Cite this Object

Harvard

Recording voltmeter 2018, Museum of Applied Arts & Sciences, accessed 24 March 2019, <https://ma.as/245955>

Wikipedia

{{cite web |url=https://ma.as/245955 |title=Recording voltmeter |author=Museum of Applied Arts & Sciences |access-date=24 March 2019 |publisher=Museum of Applied Arts & Sciences, Australia}}

Incomplete

This object record is currently incomplete. Other information may exist in a non-digital form. The Museum continues to update and add new research to collection records.

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