The papers document independent inventor Solomon Adler's work with sewing machine technology through correspondence, photographs, notes, drawings, sketches, patents, litigation records, and printed materials. The collection provides insight into both an independent inventor's process of invention and Japanese work culture during the post-World War II period.
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.
This collection includes papers that were important to Henry, Henry B. and Juliette Arden. There is some confusion caused by the names of father and son. Juliette referred to her father as Henry, never as Harry or Henry B. Early patents, granted before his death in 1912 may have been granted to the father. All documents or correspondence later than...
The collection forms a documentary record of over half a century of the history of radio, with the greatest emphasis on the period 1900-1935. The collection includes materials that span the entire history of the growth of the radio industry. It is useful for those historians and other researchers interested in technological development, economic history, and the impact of applications of technology on American life.
This album documents the Leedy Manufacturing Co.'s production of a variety of percussion musical instruments, such as drums, tympani, xylophones, vibraphones, etc. There is a group portrait of the executive staff, assembled near the door of the plant: it is marked "Indianapolis" and "1925," along with the names "Leedy," [George H.] "Way," "Elsie W...
The collection is the result of Major Hammer's passion for amassing material related to aeronautics and technology, and it is arranged into eleven series: articles, clippings, correspondence, drawings and blueprints, leaflets, legislation, minutes, miscellaneous, photographs, programs and publications. Housed in 23 folders, the correspondence is the most comprehensive series, reflecting the original order which grouped the letters into series by topic. Much of the correspondence concerns the planning of the Hudson-Fulton Celebration of 1909, and the involvement of Wilbur Wright and Glenn Curtiss. There is also a scrapbook of black and white photographs providing front and side views of specified airplanes. Each page has 3 photos showing different views of the same plane accompanied by a label with additional information. (See written copy for details. Also, please see information written on 8x11 notebook paper.)
This collection consists of material documenting Martin's life. The material includes letters, photos, and documents relating to his Merchant Marine career and his aircraft and aeronautical inventions. Also included are documents pertaining to his conspiracy charges against the government and aircraft industry.
The Cummings Structural Concrete Company Records consists primarily of correspondence and business records documenting Robert A. Cummings' firm, consulting work, and participation in professional associations, especially the American Society of Civil Engineers, 1892-1893, circa 1900-1939; technical data and publications on soils testing, 1900-1939;...
The papers document Leo H. Baekeland, a Belgian born chemist who invented Velox photographic paper (1893) and Bakelite (1907), an inexpensive, nonflammable, versatile plastic. The papers include student notebooks; private laboratory notebooks and journals; commercial laboratory notes; diaries; patents; technical papers; biographies; newspaper clippings; maps; graphs; blueprints; account books; batch books; formula books; order books; photographs; and correspondence regarding Baekeland, 1887-1943.
The collection consists of correspondence (both of Nicola Tesla and Kenneth Swezey), copies of patents, articles, pamphlets, brochures, stamps, newsletters, and manuscripts, from 1890-1972 collected and assembled by Swezey.