Box Letter
Container
Contains 220 Collections and/or Records:
"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.
Overcoiling Finishing, 1937
File — Box: Letter, Box: 5, 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.
16/0 Size Hairspring Strength and Dimensions , 1952
File — Box: Letter, Box: 5, 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.
"A Close Look at Hairsprings", 1961
File — Box: Letter, Box: 5, 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.
Hairspring Manufacturing Progress Report, 1962
File — Box: Letter, Box: 5, 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.
Rolling Mill for Hairspring Flatwire , 1966
File — Box: Letter, Box: 5, Folder: 9
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.
"Off-Timer" 21/0 Size Error Investigation, 1967
File — Box: Letter, Box: 5, Folder: 10
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.
Titanium Elinvar, 1940 - 1950
File — Box: Letter, Box: 5, 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.
Hairspring Manufacturing Lab Procedures Vol. 1, 1946
File — Box: Letter, Box: 5, Folder: 12
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.