Presenting a collection of 20 assorted radio vacuum tubes, featuring several well-known American manufacturers including RCA, National Union, and Philco.
The assortment consists mainly of 6K6GT and 6V6GT types, historically used in vintage radios and amplifiers, along with other compatible variants. Some tubes bear clear manufacturer markings and ‘Made in USA’ labels, affirming their domestic origin. The glass domes and bakelite bases reveal classic mid-20th-century construction, while pin arrangements and guide keys confirm suitability for various antique electronics.
These tubes are untested and sold as-found, ideal for restoration projects or as spares for collectors focused on American tube technology. The variety and condition make them a significant acquisition for hobbyists interested in period radio equipment. This lot is sold as a single collection, with all tubes included as pictured.