Clockwork timer 15 secs delay which permits time exposure from 1 -20 seconds. With fine adjustment fast and slow. Messrs Perrot and Co. c.1925 Photoclip B Delayed Action Release Timer Photographic Technology 1920-1930
Omega (printing) Time Recorder 2 with one photocell unit and one hand switch, with cables, in suitcase, serial no.385. Accessories missing i.e. second photocell unit and 2 lamp units. Omega (printing) Time Recorder 2 with one photocell unit and one hand switch Time Measurement 1969
