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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

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