Box Letter
Container
Contains 3371 Collections and/or Records:
Hairspring Manufacture and Performance (2 of 2), 1934 - 1954
File — Box: Letter, Box: 4, 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.
Precipitation Hardening Alloys , 1931 - 1939
File — Box: Letter, Box: 4, 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.
Precipitation Hardening Alloys, 1931 - 1956
File — Box: Letter, Box: 4, 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.
Project #5392 Vacuum Melting Elinvar, 1955 - 1967
File — Box: Letter, Box: 4, 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.
Project #5247, "Development of A Hairspring Alloy Resistant to Magnetism", 1950 - 1956
File — Box: Letter, Box: 4, 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.
Balance and Hairspring Binder, 1957 - 1966
File — Box: Letter, Box: 4, 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.
Theory of Hairspring Curve Design, 1933
File — Box: Letter, Box: 5, 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.
"Deviations From Hooke's Law and Their Importance in Chronometry", 1946
File — Box: Letter, Box: 5, 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.
"Method for Calculating Hairspring Dimensions", 1961
File — Box: Letter, Box: 5, 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.
"Performance Improvement of the Balance and Hairspring Unit", 1961
File — Box: Letter, Box: 5, 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.