Pocket book with disc calculators for exposure, flash, depth of field etc. Kodak Poster Photoguide 1966
Card sliderule, in sleeve with latitude map. Voigtander and Son. Voigtländer Exposure Calculator 'for the whole world'
Agfa (I. G. Farbenindustrie AG) Berlin. Card calculator, with flashlight calculator, latitude chart, in sleeve with instructions. Agfa Exposure Calculator
Drexler & Nagel exposure table. A printed table for calculating correct exposures.NB - This item is shown with a leather case for a Posographe exposure calculator. Made in Germany. Drexler & Nagel Exposure Table 1908
Card folder with exposure tables with factors for subject, aperture, time of day, winter summer exposure times. ICA exposure tables
Diary for 1920 Northern Hemisphere And Tropic edition. 256 pages. Containing processing and exposure data, exposure record pages, diary, dial calculator on back and inside cover. Writter in pencil/ Burroughs Welcome and Co. 1920. Wellcome Photographic Exposure Record and Diary 1920