Photographs of Chilean power stations and equipment; and engineering drawings and blueprints of the Braden Copper Company, Rancaqua, Chile.
The collection relates to Hallett's career as an engineer and his work with engines. The collection includes correspondence, engineering notebooks, writings, photographs, patent materials, clippings, and publications,.
Collection is a photoprint of an early recording session taken about 1900.
This collection documents the history of the development of international communications. Includes official correspondence, 1926-1945, while Gross was at the F.C.C.; clippings; photographs; publications; legal documents; radio licenses; reports from international conferences; and F.C.C. reports and circulars.
Legal documents, photographs, articles, copies of correspondence, three folders of original Gray correspondence on the Gray-Bell controversy; most of the collection consists of copies of material, or printed matter, collected by Lloyd W. Taylor of the museum staff.
Papers relating to the early musical history of Los Angeles, California, and Nordskog's work in promoting it. Includes letters, drawings, writings, photographs, business records, and printed material. The names listed below are represented in the collection by letters or photographs.
Material documenting the activities of the Thomson Electric Welding Company and the Thomson Spot Welder Company. Includes copies of patents issued to Thomson or his employees, bulletins on electric resistance welding published by the companies, photographs of electric welding equipment, sales literature, historical notes on Elihu Thomson, and a led...
This collection consists of one CD containing sixty-nine high-resolution image scans produced by Chrome Photographic Services. These images were scanned from the collection of Gérard Pommier and the images relate to the aviation careers of Edouard and Charles Nieuport. This collection also contains one cd of 356 low-resolution image scans and photo...
The collection contains blueprints, photographs, correspondence, trade literature, and business records relating to the Savage Company's manufacture of crushing, milling and pulverizing equipment.
These records document the activities of the Cooper Bessemer Corporation of Mt. Vernon, Ohio, manufacturers of steam, gas, and oil engines; compressors; and furnaces. Included are advertisements and trade literature for C. & G. Cooper gas engines, Chapman Engineering Company, Chapman-Stein gas producers, and Cooper Bessemer gas and diesel engines a...