I-Rite Optical Pyrometer, 1900-1939
I-Rite optical pyrometer optical temperature indicator, made by the Gibb Instrument Co., Pittsburgh, Pennsylvania, United States, 1900-1939. Fitted with battery operated light sensor (batteries removed).
- Materials:
- brass (copper, zinc alloy) , nickel plated , glass , cellophane , copper (metal) and plastic (unidentified)
- Object Number:
- 1958-237 Pt1
- type:
- pyrometer (optical) and thermometer
- Image ©
- The Board of Trustees of the Science Museum