Works of: Edmund R. Bullock

Works of: Edmund R. Bullock
1 to 4 of 4
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Patent- Self-toning photographic emulsion
Documentary
Edmund R. Bullock
Patent- Self-toning photographic emulsion
May 8, 1923
Patent- Toning process and product thereof
Documentary
Edmund R. Bullock
Patent- Toning process and product thereof
December 3, 1918
Patent- Process for producing colored images
Documentary
Edmund R. Bullock
Patent- Process for producing colored images
September 17, 1918
Patent- Tellurium toning bath and process for toning photographic El
Documentary
Edmund R. Bullock
Patent- Tellurium toning bath and process for toning photographic El
July 23, 1918
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