'Wellcome' Photographic Exposure Calculator Handbook and Diary (Canada and Tropics)

With bookmark, 'Rytol', Index, Exposure information etc. records of negative exposure and memoranda, diary week to a page, Monthly Light Tables for the Northern Hemisphere calculated at 52° North Latitude, 'and are approximately correct for Southern Canada, Newfoundland, England, Ireland, Belgium, Holland, Germany, Southern Russia, Northern China.' Light Table for the Tropics is suitable for use in the Tropics, i.e. between about 20° S. and 20° N. latitude, all the year round. Prices for @tabloid' products are in Montreal. The diary also includes several photographic images produced with 'Tabloid' brand photographic chemicals throughout, Index (of photographic chemicals), postal information, temperature chart (guide for photographic operations), weights and measures, customs regulations, illustrations, Development (information on 'Tabloid' developers and methods) list of 'Tabloid' brand Photographic Chemicals, Custom regulations, record of exposures, diary, week to a page, and memoranda pages with article on exposure and tables of light values follow memoranda pages. Several 'Tabloid' brand Photographic Chemical advertisements interspersed. On back endpaper is a Wellcome's Exposure Calculator (for measuring the correct exposure by turning the disc).

1941

1 diary Bound wallet style in blue buckram with white tooling, endpapers plain. Pencil holder made of buckram on inside cover. Text block machine made paper.

Copyright assigned to the Wellcome Trust