Cambridge optical pyrometer (polarizing type) with amyl acetate lamp,in box. Also a boxed galvanometer and a variable slide resistance

Made:: Cambridge and London

manufacturer:: The Cambridge Scientific Instrument Company Limited

Cambridge optical pyrometer (polarizing type) No. 14188, with amyl acetate lamp for standardising, in mahogany box, by The Cambridge Scientific Instrument Co. Ltd., England. Another mahogany box containing galvanometer No. 69140 and a variable slide resistance(5.9 ms)

Details

Category:: Heat

Object Number:: 1950-264

Materials:: mahogany (wood) and acetate

type:: pyrometer

credit:: National Physical Laboratory.

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Parts

Optical Polarising Pyrometer

'Cambridge optical pyrometer', polarizing type optical temperature indicator, with amyl acetate lamp for standardising, by The Cambridge Scientific Instrument Company Limited, Cambridge England, 1900-1919. Temperature range 700-1400°C, serial no. 14188.

Measurements:: overall: x x , , 1.405kg

Materials:: copper (metal) , aluminium alloy , brass (copper, zinc alloy) , glass , textile , die-cast metal and cotton wick

Object Number:: 1950-264 Pt1

type:: pyrometer (optical) , thermometer and oil lamp

Image ©: The Board of Trustees of the Science Museum

Box containing galvanometer and variable slide resistance

Mahogany box containing galvanometer No. 69140 and a variable slide resistance (5.9ms), by The Cambridge Scientific Instrument Co. Ltd., Cambridge England