Photometer from Agecroft Colliery
Photometer from Agecroft Colliery
Ferranti model A700 light meter
Harrison Light Correction Meter and Filters
Weston Photronic Exposure Meter and case
Eel light meter in case.
Light meter
1960-1979
Weston Photronic model 614 foot-candle meter
1920-1933
Oldham & Sons photometer from
Weston Master Exposure Meter
circa 1946
Photometer
Watkins 'Snipe' Meter
EEL Lightmaster Photometer serial no. 18-3486 (a light meter)
1960-1969 (estimated)
Corfield Lumimeter
Watkins Bee Meter
Weston Master II Meter Model S141/735
Weston Master III Meter
1958
Gasch's Aktinoplan Light Meter
Watkins bee meter
1920