Machinery
Subject
Subject Source: Library of Congress Subject Headings
Found in 2 Collections and/or Records:
Photographs from the Papers of J. Hartley Bowen, Jr.
Collection
Identifier: 1991-002-002
Abstract
Print photographs depicting the facilities, machinery, and operations of the Aeronautical Materials Laboratory located at the Naval Air Material Center (later the Naval Air Engineering Center) in Philadelphia, Pennsylvania.
Dates:
1949-1968 ; Majority of material found within circa 1949
Found in:
Science History Institute Archives
Welsbach Gas Light Company photograph album
Collection
Identifier: 2020-010
Abstract
Album containing 52 black and white photographs documenting various aspects of the production process at the Welsbach Gas Light Company site located along the Delaware River in Gloucester City, New Jersey.
Dates:
1888-1940
Found in:
Science History Institute Archives