Envelope - Optical Pyrometer
Maker
1. Stein, John G & Co Ltd
2. Foster Instrument Co Ltd
Production date
1967
Description
Printed envelope for instruction leaflet and certificate for the Foster Disappearing Filament Optical Pyrometer. Type No AJ/015/12/19.5 Serion No 87898. Used at Stein's Castlecary Works. (See FALKM 1997-10)
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