8.05.1127

Catalog

E. F. Johnson Company Catalog. Viking Invader, Invader 2000 Catalog No. 980. Material: paper. Size: 8 1/2" x 11". Description: burgundy and white cover; E.F. Johnson Company logo lower left; black and white photograph of the Viking Invader 2000; white, red and black print: "A Totally New Concept in Transmitter Design, Crystal Filter-Type, SSB, Transmitter/Exciter/Amplifier, Viking, Invader, Invader 2000"; 3 pages. Logo in use from 1956-1962.

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