202 assembly drawings of locomotives and tenders, prepared to check the clearances and major component parts of the locomotive. When work was slow, draftsmen hand-colored the drawings. They were not used in the shop but were retained for engineering reference.
These records of the Bartlett Hayward Company deal chiefly with the manufacture, erection, and sale of gas holders. Included are record books of drawings, 1882-1906, 1912, 1918; design calculation books; 1904-1935; trade literature, 1945; order books, 1920-1921; order progress reports, 1926-1929, 1946-1950; specifications, calculations and data; no...
Collection documents the history of the demolition and construction of Grand Central Terminal with a focus on the period 1903 to 1913.
These records, together with record units 79, 81, and 187 contain full documentation of construction of the 1911 National Museum Building, from internal planning and contracts to construction details and costs. Rathbun prepared a history of the museum construction, which was published as A Descriptive Account of the Building Recently Erected ...
The Everett H. Bickley Collection, 1919-1980, documents the inventions of Everett Huckel Bickley, most known for his electric sorting machine used to automate the process of sorting beans by use of a photoelectric cell. The collection consists of patents, drawings, photographs, correspondence, and artifacts designed by Bickley. The collection spans a considerable portion of the twentieth century and is of value to those researchers interested in product development, the patent application process, product marketing and promotion, World War II innovation, and the daily operation of a small, privately-owned industry.
This collection contains order books, including design details of a wide variety of passenger, freight and specialty cars (including self-propelled electric cars), and cost accounts for the production department. Also included are 21 volumes of photographs of finished cars, arranged by lot number. These have separate indexes arranged alphabetically...
This finding aid was digitized with funds generously provided by the Smithsonian Institution Women's Committee.
Collection documents the work of the John A. Roebling's Sons Company, builders of bridges. The materials consist primarily of photograph albums documenting some of the bridges, tramways, ski lifts and chair lifts that Roebling's Sons Company was involved with. The documentation also includes specifications, patents, and reference materials about the engineering process of building bridges and bridges in general.
The records document the design, manufacture, and operation of steam and diesel engines by McIntosh, Seymour and Company of Auburn, New York.
The collection consists of correspondence, invoices, drawings, photographs, and negatives and other printed literature documenting the Baltimore and Ohio Railroad from its inception in 1827 to its merger with the Chesapeake and Ohio Railroad in the 1960s.