{"id":"dg95qbw","internal_id":"fa8bd887-fe6b-4584-be5e-3cd25b085943","links":{"img_thumbnail":"https://digital.sciencehistory.org/downloads/deriv/u6q5ty5/thumb_large_2X?disposition=inline","html_self":"https://digital.sciencehistory.org/works/dg95qbw"},"title":"Letter to Otto Haas, January 20, 1914","additional_title":[],"format":["text"],"genre":["Business correspondence"],"medium":[],"extent":[],"language":["German"],"provenance":"","subject":["Haas, Otto, 1872-1960","Rohm and Haas Company","Tanning"],"department":"Archives","series_arrangement":["Series II: Letters and Correspondence, 1903-1963"],"rights":"http://creativecommons.org/publicdomain/mark/1.0/","rights_holder":"","digitization_funder":"","file_creator":"Auerbach, Jahna","description":"Letter to Otto Haas (1872-1960) from Dr. Ernst Kampf[?]. The author writes about working at Rohm & Haas earlier that month and learning about the tanning business. ","description_html":"<p>Letter to Otto Haas (1872-1960) from Dr. Ernst Kampf[?]. The author writes about working at Rohm &amp; Haas earlier that month and learning about the tanning business. </p>","published_at":"2026-08-12T14:50:19Z","updated_at":"2026-08-12T15:00:06Z","creator":[{"category":"addressee","value":"Haas, Otto, 1872-1960"}],"date_of_work":[{"start":"1914-01-20","start_qualifier":"","finish":"","finish_qualifier":"","note":"","formatted":"1914-Jan-20"}],"place":[{"category":"place_of_creation","value":"Germany--Darmstadt"}],"inscription":[],"related_link":[],"additional_credit":[],"physical_container":{"box":"2","folder":"7","volume":"","part":"","page":"","shelfmark":"","reel":"","formatted":"Box 2, Folder 7"}}