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Collection Guide
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Guide to the Ralph M. Heintz Prints, Tracings, and Sketches M0293
M0293  
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Collection Overview
 
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Description
This collection consists of prints, tracings, and sketches of technical equipment such as compressors, engines, and generators.
Background
Ralph M. Heintz was chemical engineer and a physical chemist. He was a leading figure in early electronics and radio engineering. After serving in the U.S. Army Signal Corps in World War I, Heintz earned a chemistry degree from Stanford University. He then started the firm Heintz & Kaufman which produced transmitting and vacuum tubes for radios as well as completed radio sets primarily for airplanes and ships.
Extent
3 Linear Feet (43 map folders and 10 rolls)
Restrictions
While Special Collections is the owner of the physical and digital items, permission to examine collection materials is not an authorization to publish. These materials are made available for use in research, teaching, and private study. Any transmission or reproduction beyond that allowed by fair use requires permission from the owners of rights, heir(s) or assigns. See: http://library.stanford.edu/spc/using-collections/permission-publish
Availability
The collection is open for research. Note that material is stored off-site and must be requested at least 36 hours in advance of intended use.