Records document Charles Eisler, a Hungarian immigrant who was a skilled mechanic and engineer and his company, Eisler Engineering Company of Newark, New Jersey, which manufactured equipment for producing electric lamps, television and radio tubes, welding equipment and laboratory equipment.
Four cubic feet of records relating to Kahle Engineering Company's involvement in the manufacture of equipment for producing electric lamps, television and radio tubes, welding equipment and laboratory equipment.
Collection includes order books, 1883-1898, 1898-1918, 1894-1923; shipping book, 1883-1892; detailed cost record, 1892-1896; parts listing; pattern list, 1890-1907; miscellaneous order book, 1916-1920; book of standard and special engine details, 1881-1889; and drawing list, 1881-1908; also photographs, glass negatives, drawings, publications, and other material concerning Corliss engines and Rice and Sargent steam engines.
Mainly personal notebooks of engineers, although one is a listing of products of a manufacturer of gears and another is a compilation of shop orders for various products of a manufacturer. They generally contain technical descriptions, drawings, specifications, and financial data.
One cubic foot of reports on tunnels, including several in the New York subway system.
A 16mm film, published by Bethlehem Steel Corporation, entitled "Building the Golden Gate Bridge", undated.
The approximately 3 cubic feet of material contain copies of patents issued to Robert Scofield Condon for pencil lead pointers, pencil sharpeners, milling machines, gear cutting machines, and similar devices, as well as correspondence related to the patents from the United States Patent Office and with attorneys. Photographs depict Condon designs and inventions. The collection includes a very interesting example of Condon's actual pencil sharpener attached to a photograph, showing the pencil sha...
One hundred twenty five posters exhorting employees to practice good safety habits.
The bulk of this collection consists of approximately 26,500 original ink and pencil drawings from which blueprints were later made. The drawings depict not only the rolling stock but the components of the railroad equipment, from the largest to the smallest. The drawings are indexed, titled, numbered, dated and annotated with dimensions and other information. In addition to the drawings, the collection also includes thousands of blueprints, photographs, ledgers, books, and periodicals.