Fery absorption pyrometer
- Made:
- 1900-1982
Fery absorption pyrometer, inscribed "Pyrometre Optique de M. Fery No. 59"; temperature range 800 deg C to 5800 deg C (mirror is missing)
Fery absorption pyrometer, inscribed "Pyrometre Optique de M. Fery No. 59"; temperature range 800 deg C to 5800 deg C (mirror is missing)