Technical drawings
Subject
Subject Source: Art & Architecture Thesaurus
Scope Note: The broad class of drawings that are intended for constructional, mechanical, or mapping purposes and that follow precise conventions of scale and projection, including cross-sections, details, diagrams, elevations, perspectives, plans, etc., made for use in a technical context.
Found in 1 Collection or Record:
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