Box Letter
Container
Contains 3371 Collections and/or Records:
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.
Testing 10/0 Size, 1941 - 1951
File — Box: Letter, Box: 5, Folder: 16
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 14/0 Size, 1943 - 1951
File — Box: Letter, Box: 6, 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.
Testing 16/0 Size, 1942 - 1954
File — Box: Letter, Box: 6, Folder: 2
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 21/0 and 22/0 Sizes , 1942 - 1952
File — Box: Letter, Box: 6, Folder: 3
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 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.
Metals for Mainspring Ingots, 1942 - 1947
File — Box: Letter, Box: 6, Folder: 5
Scope and Contents
Series contains data, correspondence, research documentation, and drawings, as well as metals processing and mainspring manufacturing procedures. Data shows the results of humidity tests and inspection of Dynavar mainsprings.
Re-melted Hot Top Scrap, Dynavar , 1953
File — Box: Letter, Box: 6, Folder: 6
Scope and Contents
Series contains data, correspondence, research documentation, and drawings, as well as metals processing and mainspring manufacturing procedures. Data shows the results of humidity tests and inspection of Dynavar mainsprings.
Mainsprings (General) , 1949 - 1957
File — Box: Letter, Box: 6, Folder: 7
Scope and Contents
Series contains data, correspondence, research documentation, and drawings, as well as metals processing and mainspring manufacturing procedures. Data shows the results of humidity tests and inspection of Dynavar mainsprings.
Mainsprings (General), 1941 - 1950
File — Box: Letter, Box: 6, Folder: 8
Scope and Contents
Series contains data, correspondence, research documentation, and drawings, as well as metals processing and mainspring manufacturing procedures. Data shows the results of humidity tests and inspection of Dynavar mainsprings.