Wellcome's Photographic Diary (United States of America Edition) and (United States of America and Tropics Edition)

The United States edition diary includes several photographic images produced with 'Tabloid' brand photographic chemicals throughout, Index (of photographic chemicals), 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, Record of negative exposures, record of positive exposures, diary, week to a page, and memoranda pages with article on exposure and tables of light values follow memoranda pages. N.B. includes monthly light tables for the Northern Hemisphere. "calculated for 40° North Latitude and are approximately correct for UNITED STATES (NEW YORK, CHICAGO, DENVER, SAN FRANCISCO), SOUTHERN EUROPE (THE MEDITERRANEAN), ASIA MINOR, CENTRAL CHINA (PEKING), KOREA, JAPAN. Several 'Tabloid' brand Photographic Chemical advertisements included in the diary. On back endpaper is a Wellcome's Exposure Calculator (for measuring the correct exposure by turning of the disc). The title of the diary changes through the years: 1907-1909: Wellcome's Photographic Exposure Record & Diary 1911 to 1921: The 'Wellcome' Photographic Exposure Record & Diary 1922-1937: 'Wellcome' Photographic Exposure Calculator and Diary.

1907-1937

24 items Bound wallet style in red cloth buckram with gold tooling, endpapers printed. Text block machine made paper.

Please see main WF collection description (ref. 'WF').