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Shubrooks, George E.

 Person

Dates

  • Existence: 1900-05-09 - 1986

George E. Shubrooks was born in Lancaster, Pennsylvania, in 1900. He was the only child of his father George, a coffee merchant, and his mother, Alice, a housekeeper. At 18 years old, Shubrooks was employed by Lancaster Steel Products Company, where he began what would become a lifelong career in lab work. Shubrooks spent approximately 35 years at Hamilton before his retirement in 1961-1962 amid changes in the company and its broader focus. He started as a foreman in 1926, progressed to Chief Chemist and Metallurgist,then later became Manager of Research. He was married to Stella Shenk, a clerk at the County Treasurer’s Office. They did not have children. Shubrooks died in Lancaster during September of 1986.

Found in 166 Collections and/or Records:

Hamilton Records Collection

 File
Identifier: MG-335
Overview This collection contains correspondence, drawings, photographs, reports, and other records that document various activities and operations of Hamilton Watch Company. It highlights many of Hamilton's horological accomplishments as a fixture of American watchmaking.

Hathaway Instruments Division - Tuning Forks - Memos, Data, Reports, 1957 - 1958

 File — Box: Letter, Box: 34, Folder: 1
Scope and Contents Series consists of six document boxes containing specifications, standards, tool lists, instructions, drawings, research reports, data, and correspondence. The materials reflect different activities of the Mechanical Department, Industrial and Allied Products Division, as well as research about watch cleaning, finishing, and adhesives. At the time of processing, it was unclear where or if these materials should be further arranged and described, as some do not provide enough context to stand as...

Heat Treating Data, 1941 - 1951

 File — Box: Letter, Box: 30, Folder: 1
Scope and Contents Series contains specifications, procedures, research, reports, photographs, and correspondence concerning various aspects of metalography and metallurgy, both as a field of study and a department at Hamilton. The materials mostly reflect metal purification, melting, drawing, and shaping procedures as they were conducted prior to the company’s expansion into specialized metals fabrication, or the Precision Metals Division. Of note are the High Frequency Melting Experiments Volumes 1-6, which are...

Heat Treating Department, 1927 - 1947

 File — Box: Legal - Tall, Box: 66, Folder: 13
Scope and Contents The photographs in this series mostly depict the factory, products, personnel, events, and manufacturing operations of Hamilton. The majority of photographs are black and white silver gelatin prints made between 1930-1970. Remainder of series is comprised of negatives, transparencies, and reproductions. Subseries G.E. Shubrooks is comprised of photographs from two of his personal scrapbooks. The images document many intersections of his personal and professional life. While...

Heat Treating Furnaces, 1929 - 1939

 File — Box: Letter, Box: 3, Folder: 7
Scope and Contents Series consists of correspondence, tests, research reports, and drawings that document the development, application, and production costs of metal alloys for hairsprings. Correspondence pertaining to the acquisition, analysis, and use of raw materials is mostly between Hamilton and International Nickel Company.

Heat Treating Furnaces, 1939 - 1944

 File — Box: Letter, Box: 3, Folder: 8
Scope and Contents Series consists of correspondence, tests, research reports, and drawings that document the development, application, and production costs of metal alloys for hairsprings. Correspondence pertaining to the acquisition, analysis, and use of raw materials is mostly between Hamilton and International Nickel Company.

Heat Treatment, Not Dated

 File — Box: Letter, Box: 51, Folder: 9
Scope and Contents Series contains personal papers, articles, publications, reports, data, correspondence, specifications, procedures, and photographs. These materials reflect the social structures of personnel, as well as research and development activities at Hamilton. Nearly a quarter of the entire collection comes from Shubrooks files. As evidenced by notes on many documents, he intentionally obtained and organized records on specific topics, most of which pertained to his fields of expertise: metallurgical...

"History and Development of Watch Oils" -- Russel E. Philip. Pacific Goldsmith, 1947

 File — Box: Letter, Box: 2, Folder: 8
Scope and Contents This series contains reports, articles, and procedures regarding the development, application, and testing methods of watch oils and lubricants. This includes study of PML #79 and Hamilton Red Oils, oil spreading in 750 watches, and the cleanliness of watches related to elimination of dusted latex finger cots.

Industry Literature, 1931 - 1956

 File — Box: Letter, Box: 50, Folder: 2
Scope and Contents Series contains personal papers, articles, publications, reports, data, correspondence, specifications, procedures, and photographs. These materials reflect the social structures of personnel, as well as research and development activities at Hamilton. Nearly a quarter of the entire collection comes from Shubrooks files. As evidenced by notes on many documents, he intentionally obtained and organized records on specific topics, most of which pertained to his fields of expertise: metallurgical...

Ingot Supplies, 1940 - 1950

 File — Box: Letter, Box: 3, Folder: 1
Scope and Contents Series consists of correspondence, tests, research reports, and drawings that document the development, application, and production costs of metal alloys for hairsprings. Correspondence pertaining to the acquisition, analysis, and use of raw materials is mostly between Hamilton and International Nickel Company.