De Forest and the Navy, January 1947 Radio-Craft - RF Cafe
Post War 1947 Radiola Model 61-8 Bakelite AM Tube Radio Works Great Ex – Retro Radio Farm
1947 General Electric C-121 Tube Radio With Bluetooth input. | Antique, Retro, Vintage Tube Radios & Bluetooth | Retro Radio Shop
Fermat's Library on Twitter: "The first RAM was the Williams–Kilburn tube, made from a cathode-ray tube in 1947. Each tube could tipically store about 1024 bits of data https://t.co/RpSUoav88u" / Twitter
A Prothrombin Conversion Accelerator in Serum | Science
Biology of the vertebrates : a comparative study of man and his animal allies. Vertebrates; Vertebrates -- Anatomy; Anatomy, Comparative. Ectoderm Neural tube. C 0 Fig. 602. Four steps in the
Tubes de pub" Tubes de pub de 1904 à 1947 (TV Episode 1989) - IMDb
File:Williams-tube.jpg - Wikimedia Commons
Vintage Bendix Table Radio, Model 626-A, AM Band, 6 Vacuum… | Flickr