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Recording Voltmeter, by Elliott Brothers (London) Ltd., 20th Century

Inventory Number 13151

Acknowledgement: © History of Science Museum, University of Oxford, inv.13151

Item type
Object
Provenance
Presented by the Marconi Corporation in 2003.
Primary inscriptions
'ELLIOTT BROTHERS (LONDON) LTD. / VOLTMETER / INS. NO.8745 RANGE 190/270 VOLTS / SERIES REST. TOTAL REST.3422 / P.T.RATIO PERIODICITY DC & 50~ / SPEED OF CHART 1" PER HOUR PER MINUTE'
Other inscriptions
TYPE C50 / SERIAL 11048 / LOAD CELL 15 TON (MAX) / BRIT.PATENT / NO.626206 / VOLTS / 8 (MAX ) / ELLIOTT BROS. (LONDON) LTD. LONDON S.E.13. / MADE IN ENGLAND'
Object type
Electronic instrument
Dimensions
Height: 530mm Width: 240mm Depth: 215mm Weight: 11.5kg
Inventory No
13151
Accession Number
2003-11

Description

Recording voltmeter in fitted wooden case, with ink bottle and three paper charts, one fitted and two loose. The outer case has a large hinged lid with glass window, a leather handle, four rubber feet, a metal latch and three terminals. Inside, the voltmeter has an installed paper chart. There are two additional charts, one with a red sticker. There is an ink bottle, which once contained red ink.

13151.1 - Recording voltmeter in fitted wooden case. The outer case has a large hinged lid with glass window, a leather handle, four rubber feet, a metal latch and three terminals. Inside, the voltmeter has an installed paper chart.

13151.2 - Recording chart, with numbers ranging from 260-180.

13151.3 - Recording chart with red ticket seal.

13151.4 - Ink bottle that contained red ink, wrapped in a sheet of paper stained with red ink.

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