Box Letter
Container
Contains 3371 Collections and/or Records:
A Mainspring Dynamometer , 1950
File — Box: Letter, Box: 6, Folder: 9
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.
Project #5020, Corrosion Resistant, Non-Magnetic Dynavar Mainsprings, 1950
File — Box: Letter, Box: 7, Folder: 1
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.
Humidity Test for Timepiece Mainsprings, 1946 - 1947
File — Box: Letter, Box: 7, Folder: 2
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.
Dynavar Mainspring Tests, 1950 - 1957
File — Box: Letter, Box: 7, Folder: 3
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.
Project #5274, Operation and Maintenance Manual -- Mainspring Torquometers , 1951
File — Box: Letter, Box: 7, Folder: 4
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, 1940 - 1955
File — Box: Letter, Box: 7, 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.
Inventory Procedures, Metals Processing and Mainspring Manufacture, 1951
File — Box: Letter, Box: 7, 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.
Drawings, 1933 - 1952
File — Box: Letter, Box: 7, 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.
Drawings, 1931 - 1952
File — Box: Letter, Box: 7, 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.
"Jewels at War," Company Employee Handbook, 1944
File — Box: Letter, Box: 7, Folder: 9
Scope and Contents
Series mainly contains specifications and procedures in the form of supplies contracts, which consist of photographs, drawings, reports, and lists that document all aspects of jewel production. This includes engineering standards and operation instructions for machines, fixtures, and devices. Also included in supplies contracts are jewel facility reports (copies) of Elgin National Watch Company. Photographs show machines and tools used in jewel production.
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