American Aniline Colors Dye Samples produced by Schoellkopf, Hartford & Hanna Co.American Aniline Colors Dye Samples produced by Schoellkopf, Hartford & Hanna Co. From The American Colorist and Dye Topics 1,…
Arayanization of Arthur Abelmann's ChemiewerkDocument outlining the terms on which Chemiewerk (Chemisch-Pharmazeutischen A.G.), owned by Jewish businessman Arthur Abelmann, was “Aryanized” by the Nazi…
Bloede, Victor G., U.S. Patent for an Improved Mucilaginous CompoundVictor G. Bloede, U.S. Patent for an Improved Mucilaginous Compound. Letters Patent No. 61,991, dated February 12, 1867. This patent,…
Bloede, Victor G., U.S. Patent for the Process of Tinting FabricsVictor G. Bloede, U.S. Patent for the Process of Tinting Fabrics. Letters Patent No. 394,446, dated December 11, 1888
Bloede’s Mucilage and universal letter scales, and jobbers of stationers’ sundries advertisementCharles Hamilton & Co., 64 John Street, New York; advertisement for Bloede’s Mucilage and universal letter scales, and jobbers of…
Cover of <em>The Chemistry of Photography</em>, by Mallinckrodt Chemical WorksPhotographic chemicals were a mainstay of the Mallinckrodt Company, which kept a careful eye on developments in the rapidly evolving…
Ether and Chloroform AdvertisementIn addition to medical narcotics, such as cocaine and morphine, the Mallinckrodt Company produced a variety of anesthetics. In fact,…
Formula book for original line of chemicals produced by Charles Pfizer & CompanyFormula book for original line of chemicals produced by Charles Pfizer & Company, ca. 1852
Letter from Edwin H. Brown to Roessler & Hasslacher regarding the chloroform suitLetter from Edwin H. Brown to Roessler & Hasslacher regarding the chloroform suit, November 18, 1886
Letter from Roessler & HasslacherLetter from Roessler & Hasslacher, November 18, 1886. The letter is a defense against charges in the chloroform suit.
M. C. W. Brand Chemicals AdvertisementAs the Mallinckrodt Company grew, it continued to emphasize the quality of its products. Throughout the years, purity and reliability…
Medals for excellence won by Schoellkopf, Hartford & Hanna Co.Medals for excellence won by Schoellkopf, Hartford & Hanna Co. From The American Colorist and Dye Topics 1, no. 1…
National Aniline & Chemical Co., Inc. AdvertisementNational Aniline & Chemical Co., Inc. Advertisement, Dyestuffs 12, no. 9, September 1921, n.p.
Notice by Importer Arthur SchwarzPhotographic chemicals were one of the Mallinckrodt Company’s core product lines. Edward Mallinckrodt Sr. began selling Rodinal, a photographic developer,…
Rodinal AdvertisementGerman and German-American firms were key players in the photographic chemicals trade in late nineteenth-century America. Rodinal, a photographic chemical…
Roessler & Hasslacher’s liquid bright gold advertisementAdvertisement for Roessler & Hasslacher’s liquid bright gold, published in The Pottery, Glass & Brass Salesman (January 27, 1916).
Roessler & Hasslacher’s peroxide advertisementAdvertisement for Roessler & Hasslacher’s peroxide, published in The Bulletin of Pharmacy 29 (1915).
Schoellkopf, Hartford & Hanna Co., American Aniline Colors, sample bookSample Book, Acid Colors on Silk, Series A-18 and Series A-19, Schoellkopf, Hartford & Hanna Co., American Aniline Colors, July…
Schoellkopf, Jacob F. Jr., Friedrich Koehler, and Henry Merz’s testimony before the Senate Finance Committee Subcommittee on the TariffJacob F. Schoellkopf Jr., Friedrich Koehler, and Henry Merz’s testimony in 1888 about American aniline chemical production and tariff reforms…
Spanish and Portuguese Advertisements for the National Ammonia CompanyIn 1889, Edward Mallinckrodt Sr. forged an agreement with other producers of anhydrous ammonia. As a result, Mallinckrodt Chemical Works,…
