TitleOhmmeter No. 351587, Evershed & VignolesAbout this objectThe instrument was designed to measure electrical resistance in ohms, a fundamental task in diagnosing faults and verifying the integrity of telegraph circuits and other electrical systems. It allowed engineers to detect breaks, leaks and poor connections by quantifying resistance across cables and components, helping maintain reliable signal transmission.
Manufactured by the British company Evershed & Vignoles Ltd., the instrument was distributed in Australia by H. Rowe & Co., the Australian representation of Evershed & Vignoles and a well-known maker of electrical components. Object No.99.82CreatorEvershed & Vignoles Ltd.Inscriptions & marksPlaque on top of case: Evershed & Vignoles Ltd. / London, W.4. / Ohmmeter No. 351587 / Patent No. 198182
Plaque on front of case: 4 . 5 VOLTS D.C
Underneath glass: OHMS / H.ROWE & CO. PTY. LTD. AUSTRALIA. / MADE IN ENGLAND BY EVERSHED & VIGNOLES LTD / TO BE USED WITH DIAL HORIZONTAL / REGd. TRADE MARK "MEGGER" No. 351587DimensionsH: 97mm
W: 190mm
D: 227mmPlace madeLondonSourceLa Perouse MuseumOn displayYesTypeMuseum objectsOrganisations (Detailed entries)La Perouse Museum (La Perouse, N.S.W.)ThemesScience and communication
