Queen Alexandra's Wynne's Infallible Exposure Meter
Watch type actinometer in solid silver case hallmarked for Birmingham. Gothic in style 't', 'A.W.' 1893. Back engraved with crowned A monogram and the Prince of Wales feathers. With rose, thistle and shamrock decoration. Wynne.
- Measurements:
-
overall: 70 mm x 8 mm 50 mm,
- Materials:
- silver (metal) , glass and paper (fibre product)
- Object Number:
- 1990-5036/2655/1
- type:
- exposure meter and actinometer