CO2 Meter, by Elliott Brothers, 20th Century

Subject: Electronic instruments
Item type: Object
Makers: Elliott Brothers
Provenance: Presented by the Marconi Corporation 2003.
Primary inscriptions: SERIAL M69.03919 / MODEL 159-4 / EXT 2.0 [omega] / MADE IN ENGLAND / TER 18.5 [omega]'. '1654' handwritten on sticker to front of case. 'IMPORTANT' notice sticker.
Physical material: Metal; Glass
Object type: Electronic instrument
Dimensions: Height: 95mm Width: 180mm Depth: 255mm Weight: 3.75kg
Inventory No: 13076
Accession Number: 2003-11

Description

CO2 Meter, by Elliott Brothers. Metal case with glass window. Meter scale is 0-20. Omega symbol = Ohms.