Military Timepieces

Scope and Contents Series contains research reports, compensation and fatigue test data, correspondence, drawings, photographs, and various instructions that pertain to the production, design, distribution, assembly, use, and performance of marine chronometers. Drawings and photographs show various chronometers and parts: Models 4221, M21, M22, and M23, among others. Beyond chronometers, this series highlights Hamilton’s contributions to World War II through the Army-Navy E Award and “Tomorrow In the Making” - ...

Scope and Contents Series consists of catalogs, lists, and drawings that detail various specifications and procedures for the manufacture, testing, and quality control of products manufactured for military use. Materials in this series pertain to anything that was developed to comply with U.S. Department of Defense or Military standards.Featured timepieces and instruments include: Strap Watches 987A and S, 8 Day Civil Date Elapsed Time Clock, Comparing Watch 2974B, Navigational Watch 3992B, Master...

Scope and Contents Series contains articles (mostly copies), research reports, data, correspondence, and photographs that discuss and dipict types, development, and application of fuzes (e.g., proximity and timing fuses used in rocket and canister bombs.) Of note is correspondence with Eastman-Kodak's Navy Ordnance Division, which includes fuse and escapement spring samples with test data. Photographs document a Military Product Conference at Hamilton. Report by ...