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.
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 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.
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.
Charles Sumner Tainter has been recognized as the father of the talking machine, and much of the material in this collection represents his experimental work on the graphophone. Alexander Graham Bell, Chichester Bell, and Tainter established the Volta Laboratory Association in 1881. This collection presents a comprehensive picture of the early development of the phonograph and Tainter's substantial contributions to the project.
This collection documents, in correspondence, publications, forms, paperwork, drawings, newspaper clippings, diplomas and photographs, the operations and products of the Frick Company of Waynesboro, Pennsylvania, manufacturers of steam-powered engines (portable, stationary, and traction), sawmills, threshing machines, grain separators and other mechanized agricultural harvesting implements, refrigeration, mechanical cooling systems, and ice making plants, from its founding in 1852 through 1961.
Contains Gordon Hendricks's collection of clippings, correspondence, and research notes, and other professional papers related to his books and articles on motion picture history. Includes files on Edison, William Kennedy Laurie Dickson, and other pioneers in motion picture inventions.
The archivist has arranged the collection into five separate series: Series 1: CAR BUILDERS, arranged alphabetically by company or individual. Series 2: EQUIPMENT - ROLLING STOCK, arranged in two sections: alphabetically by White's heading: Articles in Progress and alphabetical by type of railroad car under White's heading: Research Files for Book ...
A New York bookseller, Warshaw assembled this collection over nearly fifty years. The Warshaw Collection of Business Americana: Sewing Machines 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