{"id":"75xlfi5","internal_id":"20009a7f-c765-4c3c-a2b3-0cbc29a171cf","links":{"img_thumbnail":"https://digital.sciencehistory.org/downloads/deriv/zc1rvot/thumb_large_2X?disposition=inline","html_self":"https://digital.sciencehistory.org/works/75xlfi5"},"title":"Kast & Ehinger employment contract for Otto Haas","additional_title":[],"format":["text"],"genre":["Records (Documents)"],"medium":[],"extent":[],"language":["German"],"provenance":"","subject":["Haas, Otto, 1872-1960","Kast & Ehinger (Stuttgart, Germany)","Ink industry","Labor contract"],"department":"Archives","series_arrangement":["Series I. Biographical and Family History, 1870-2008, undated"],"rights":"http://creativecommons.org/publicdomain/mark/1.0/","rights_holder":"","digitization_funder":"","file_creator":"Auerbach, Jahna","description":"Employment contract between Kast & Ehinger and Otto Haas (1872-1960). \n\nOtto Haas was the co-founder of Rohm & Haas, best known for manufacturing Plexiglas (acrylic glass), as well as foundational chemical ingredients used in latex paints, electronic devices, building materials, and agricultural products.","description_html":"<p>Employment contract between Kast &amp; Ehinger and Otto Haas (1872-1960). </p>\n\n<p>Otto Haas was the co-founder of Rohm &amp; Haas, best known for manufacturing Plexiglas (acrylic glass), as well as foundational chemical ingredients used in latex paints, electronic devices, building materials, and agricultural products.</p>","published_at":"2026-08-20T16:28:09Z","updated_at":"2026-08-20T16:28:09Z","creator":[{"category":"creator_of_work","value":"Kast & Ehinger (Stuttgart, Germany)"}],"date_of_work":[{"start":"1898-06","start_qualifier":"","finish":"","finish_qualifier":"","note":"","formatted":"1898-Jun"}],"place":[{"category":"place_of_creation","value":"Germany--Stuttgart"}],"inscription":[],"related_link":[],"additional_credit":[],"physical_container":{"box":"1","folder":"12","volume":"","part":"","page":"","shelfmark":"","reel":"","formatted":"Box 1, Folder 12"}}