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:
Testing 35/0 Size, 1942 - 1945
File — Box: Letter, Box: 6, Folder: 4
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.
Testing 6/0 Size, 1941 - 1949
File — Box: Letter, Box: 5, Folder: 14
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.
Testing 8/0 Size, 1946 - 1954
File — Box: Letter, Box: 5, Folder: 15
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.
"The Chemist's Role in the Watch Oil Problem -- P.H. Lichty Presentation to Horological Society of New York, 1956
File — Box: Letter, Box: 2, Folder: 7
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.
Time Fuse Escapement Springs, 1941 - 1947
File — Box: Letter, Box: 16, Folder: 14
Scope and Contents
Series contains articles (mostly copies), research reports, data, correspondence, and photographs that discuss and dipict types, development, and application of fuzes (e.g., proximity and timing fuses used in rocket and canister bombs.) Of note is correspondence with Eastman-Kodak's Navy Ordnance Division, which includes fuse and escapement spring samples with test data. Photographs document a Military Product Conference at Hamilton. Report by ...
Timely Topics Clippings, 1953
File — Box: Legal - Tall, Box: 49, 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...
Tumbling Control Specifications, 1949 - 1954
File — Box: Letter, Box: 27, Folder: 7
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...
Unidentified, 1950
File — Box: Legal - Tall, Box: 69, 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...
Unidentified Snapshots - Factory, Labs, Personnel, 1930 - 1970
File — Box: Letter, Box: 68, Folder: 1
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...
Unidentified Snapshots - Factory, Labs, Personnel, 1935 - 1970
File — Box: Letter, Box: 68, Folder: 2
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...