Box Letter
Container
Contains 3371 Collections and/or Records:
Hairspring Alloys, International Nickel Co. (2 of 2), 1937 - 1954
File — Box: Letter, Box: 2, Folder: 11
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.
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.
Hairspring Materials, 1936 - 1956
File — Box: Letter, Box: 3, 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.
Elinvar, Dynavar, 1950 - 1956
File — Box: Letter, Box: 3, 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.
Hairspring Wire Production Costs, 1942 - 1951
File — Box: Letter, Box: 3, 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.
Elgin, Elinvar Hairsprings, 1947
File — Box: Letter, Box: 3, Folder: 5
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.
Waltham, Elinvar Hairsprings, 1947 - 1948
File — Box: Letter, Box: 3, Folder: 6
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, 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.
Hairspring Manufacture and Performance (1 of 2), 1934 - 1954
File — Box: Letter, Box: 4, 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.