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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.