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History of Science Museum

CO2 Percentage Meter, by Elliott Brothers, Mid 20th Century

Inventory Number 13077


Acknowledgement: © History of Science Museum, University of Oxford, inv.13077

Item type
Object
Provenance
Presented by the Marconi Corporation in 2003.
Primary inscriptions
'SERIAL B0240 / EXT. RES. [omega] / ELLIOTT / MADE IN ENGLAND / PATENT NO. 566.365 / TER. RES 25.0 [omega]'
Physical material
Glass
Metal
Object type
Electronic instrument
Dimensions
Height: 85mm Width: 165mm Depth: 140mm Weight: 2kg
Inventory No
13077
Accession Number
2003-11

Description

CO2 Percentage Meter, by Elliott Brothers. Meter has a black metal case with a curved glass window at the front. Behind the glass is a percentage scale reading from 0%-20%. Attached to the meter are two labels; one salmon coloured "IDENTIFICATION LABEL" with installation instructions on the back and one white label titled "IMPORTANT".