This collection includes an English patent paper #2126 for improved vulcanizable water-proof gum, 1873, to Benjamin Joseph Barnard Mills; a U.S. patent paper #151,109 for improvement in the art of manufacturing horseshoes, 1874; and an English patent paper #1194 for improvement in street-lighting apparatus.
The papers document the professional career of mechanical engineer, Charles Richardson Pratt. The papers include correspondence, patents, patent application materials, agreements, photographs, publications, and blueprints for many of Pratt's inventions, especially his work on elevators.
A British patent issued to Alexander Melville Clark for an improved process for preventing the accumulation of carbon in retorts used for the distillation of carbureted hydrogen. There is a wax seal attached to the end of the patent.
The papers document an investigation by M.L. Webb, an attorney from Massachusetts, into possible trust violations by the coal and gas industry of New England, New Jersey, and Delaware in the late nineteenth century. Documents assembled by Webb include patents, stock records, photographs, correspondence, hand written notes, published materials, and investigation notebooks.
Scrapbook compiled by George Barnard Grant (inventor of Grant's calculating machine), a businessman based in Lexington and Boston, Massachusetts, containing printed ephemera, machine manuals, handwritten and typescript notes and correspondence, photographs, patent applications, and other papers relating to calculating machines, inventors, the 1876 Centennial Exhibition in Philadelphia, and Grant's patent dispute with Léon Bollée in the 1880s. Some of the other inventions and companies referenced in the scrapbook include: Baldwin's calculating machine; Reliance Machine Works (B.F. Quimby); Baldwin's arithmometer; Teasdale's calculating machine; American Type Machine Co. (Westcott type casting and setting machine); Babbage's difference engine; Warren on the Thomas De Colmar calculating machine; Warren Bros. calculating engine; Tendollaradder (Grant Calculating Machine Co.); tabulating machine of G. & E. Schuetz; the Pidgin Electric Calculating Machine Co.; Webb's adding machine; Sir William Thomson's harmonic analyzer; L. Bollée's calculating machine; Grant's ciphering hand-organ; and Hattersley composing and distributing machines.
These records include documents relating to John Hyatt and include legal documents, 1871-1966; bank books; patents; patent certificates; patent assignments; memoranda and articles of association; union contracts; balance sheets; profit and loss accounts; journals and cash books; ledgers; time books; invoices; photographs; and correspondence to and from the company.
Wurtz's scheme, presented in a report to the stockholders, was a new method for the dry distillation of non-caking coal to obtain liquid oils and paraffin. Included in this box are: the report to the stockholders of the Union Chemical Manufacturing Co., 1883; patent specifications, 1881; correspondence with the Patent Office, prospectus on coal distillation, 1885; a notebook of minutes from meetings of Union Chemical Manufacturing Co., 1881-1883.
The J. Horace McFarland Collection includes over 3,100 photographic images of private and public gardens throughout the United States, as well as some from foreign countries, dating from 1899 to 1963. Many of these images, generated for Mount Pleasant Press (later the J. Horace McFarland Company), were used to illustrate trade catalogs published by the firm as well as journal and newspaper articles. The collection also contains color records that were used as reference aids during the printing process, plant patents, and various publications of the McFarland Company.
A New York bookseller, Warshaw assembled this collection over nearly fifty years. The Warshaw Collection of Business Americana: Glassware forms part of the Warshaw Collection of Business Americana, Subseries 1.1: Subject Categories. The Subject Categories subseries is divided into 470 subject categories based on those created by Mr. Warshaw. These subject categories include topical subjects, types or forms of material, people, organizations, historical events, and other categories. An overview to the entire Warshaw collection is available here: Warshaw Collection of Business Americana
A New York bookseller, Warshaw assembled this collection over nearly fifty years. The Warshaw Collection of Business Americana: Engines forms part of the Warshaw Collection of Business Americana, Subseries 1.1: Subject Categories. The Subject Categories subseries is divided into 470 subject categories based on those created by Mr. Warshaw. These subject categories include topical subjects, types or forms of material, people, organizations, historical events, and other categories. An overview to the entire Warshaw collection is available here: Warshaw Collection of Business Americana