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Vintage CENCO Shortwave Radio Demonstrator w/ RCA Tubes Paul Klopsteg Patent:
$299.99
Vintage CENCO Shortwave Radio Demonstrator w/ RCA Tubes Paul Klopsteg PatentCentral Scientific Co. - Chicago (CENCO) Shortwave Radio Demonstrator, circa 1930s.Designed for classroom instruction to demonstrate radio transmission and reception principles. Attributed to Paul Klopsteg and retains the original Central Scientific identification plate and early RCA vacuum tubes.Patent No. 1,918,402.Dimensions:• 12.5\" W
• 6.5\" D
• 5.5\" HUntested. Sold as found. Please review all photographs carefully for condition.This unique piece was designed by Paul Klopsteg, an employee of CENCO during the 1920s and 1930s. It was designed to be used in classrooms to show the transmission and reception of electromagnetic waves. It features all the original branding and original early RCA bulbs.