The Hyde Windlass Company was founded in 1895 for the manufacture of deck machinery. Growing interest in marine transportation and the necessity for it because of wars increased the company's size enabling it to design and manufacture a larger variety of products from propellers and marine fittings to other heavy machine assemblies.

The records document primarily the financial aspects of the Fellows Gear Shaper Company and consist of meticulously maintained journals and ledger books. Fellows Gear Shaper Company was a leader and dominant figure in the manufacturing of precision gear production, gear cutting tools, and optical inspection machines in the first half of the 20th century. The company's contribution to the industry enabled the manufacture of gears for textile, automobiles, factory machinery, and other industries.

Records relating to the organization of the company, corporate and financial records. Corporate records include two volumes of the company's acts, charters, contracts and agreements, 1862-1883; minutes of board meetings relating to varied subjects, such as agreements between the company and other telegraph companies such as Western Union Telegraph concerning sales of property, details of trnsactions or purchases undertaken by the company. Financial records consist of nine volumes of "journals" showing monthly records of receipts, 1866-1912; nineteen volumes of ledgers reveal a detailed financial status of the company, 1866-1912; and nine volumes of cash books consist of the financial transactions of the company, 1904-early 1941. See also 1 folder of the Anglo-American Telegraph Company telegrams in the Warshaw Collection under the heading "Telegraphs".

This accession consists of the records of Bernard S. Finn, Curator Emeritus of electricity collections, and Elliot N. Sivowitch, Museum Specialist, which document their curatorial and professional activities in the Division of Information Technology and Society, and during the years when the division was known as the Division of Electricity ...

A New York bookseller, Warshaw assembled this collection over nearly fifty years. The Warshaw Collection of Business Americana: Food 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

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 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;...

Tracings on linen of steam engines of all types, pumping, histing, air compressing, mining, material handling, power transmission, mine structures, mining machinery, and buildings by Erasmus D. Leavitt, Jr. for Calumet Heclas, Inc. of Calumet, Michigan.

This collection is divided into two series, Catalogs and Photographs, on fifty nine (59) microfiche sheets. These are photographic reproductions of catalogs of Imperial Glass Products from 1909 to 1912 and of several photographs showing Imperial Glass Company products, their stock numbers and rulers indicating size. Some of these photos are hand ...

The records document the development of the first commercial atomic clocks by the National Company, Inc., (NATCO) of Malden, Massachusetts, a company known for producing specialized electronic equipment. The records include blueprints, technical drawings and schematics, technical and research reports, instruction manuals, photographs, and marketing materials.