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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 2020, Museum of Applied Arts & Sciences, accessed 25 November 2020, <https://ma.as/245955>

    Wikipedia

    {{cite web |url=https://ma.as/245955 |title=Recording voltmeter |author=Museum of Applied Arts & Sciences |access-date=25 November 2020 |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.