Optical Polarising Pyrometer
- 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
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)