Testing 21/0 and 22/0 Sizes , 1942 - 1952
File — Box: Letter, Box: 6, Folder: 3
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.
Dates
- 1942 - 1952
Language of Materials
English
Extent
From the File: 42 Linear Feet : 71 Boxes
Source
- Shubrooks, George E. (Person)
Creator
- From the File: Hamilton Watch Company (Organization)
- From the File: Shubrooks, George E. (Contributor, Person)
- From the File: Drescher, Ernest W. (Contributor, Person)
Repository Details
Part of the NAWCC Library and Research Center Archives Repository