Technology
Subject
Subject Source: Library of Congress Subject Headings
Found in 2 Collections and/or Records:
Harold F. Silver papers
Collection
Identifier: ACCN 1551
Abstract
The Harold F. Silver papers (1941-1998) contains financial records of the Silver Corporation, requests for charitable contributions, documents relating to the sale of sugar processing machinery patents to American Factors Associates, and drawings of a continuous coal mining machine designed by Silver and built by Silver Engineering Works (1941-1946). Silver was a Utah and Colorado inventor, businessman, philanthropist and civic leader. He invented the continuous coal miner, a non-flammable...
Dates:
1941-1998
Harold F. Silver photograph collection
Collection
Identifier: P0785
Abstract
The Harold F. Silver photograph collection contains stock graphs of various companies.
Dates:
1950-1980