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Albert Helfrick, who for twenty-five years has designed avionics for agencies and corporations such as NASA and Boeing, provides a thorough account of the roles played by the famous and the obscure, from Edwin Howard Armstrong to Nikola Tesla and David Sarnoff, in the successful creation of aviation technology.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.