139. Wynne's Watch-pattern Actinometer and Packet of Sensitized Paper, c. 1895
Signed: 'Wynne's Infallible Hunter Meter'
Identical to previous actinometer except that scales are of ivorine and not paper. Spare sensitive printing out paper is in the red packet marked 'Rapid Deadmatch Paper'.
Diameter 50 mm, depth 5 mm.
Inventory nos 62,107 and 64,004.