Oldham portable photometer
Oldham portable photometer, used for finding candle power of miner's lamps
Details
- Category:
- Mining & Ore Dressing
- Object Number:
- 1938-251
- Measurements:
-
overall: 4.75 kg
- type:
- photometer
- credit:
- Oldham Crompton Batteries Ltd.
Related Objects
Cylindrical stick of explosive substitute in brown paper wrapper with red printed 'Alfred trademark
Cylindrical stick of explosive substitute in cream paper wrapper with blue printing with ten rows of blue squares
Cylindrical stick of explosive substitute in brown lightly waxed paper wrapper with black and green printing
Miner's wedge 2lb.
