The Museum of Applied Arts and Sciences acknowledges Australia’s First Nations Peoples as the Traditional Owners and Custodians of the land and gives respect to the Elders – past and present – and through them to all Aboriginal and Torres Strait Islander peoples.
Aboriginal and Torres Strait Islander peoples are advised that the MAAS website contains a range of Indigenous Cultural Material. This includes artworks, artifacts, images and recordings of people who may have passed away, and other objects which may be culturally sensitive.

No image is publicly available for this object

Due to the age of the Museum's collection, some objects have not been digitised yet. Images may also not be available due to copyright, cultural or privacy reasons.

Recording voltmeter

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


Object No.


Object Statement

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

Physical Description

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


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



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.



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


Credit Line

Gift of J Brown, 1959

Acquisition Date

7 September 1959

Cite this Object


Recording voltmeter 2018, Museum of Applied Arts & Sciences, accessed 24 March 2019, <>


{{cite web |url= |title=Recording voltmeter |author=Museum of Applied Arts & Sciences |access-date=24 March 2019 |publisher=Museum of Applied Arts & Sciences, Australia}}


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.

Know more about this object?


Have a question about this object?