Shortwave & Television, May 1938

Shortwave & Television, May 1938

Western Electric 224-B (1927). Used in many early TV experiments

Experimental 5 inch CRT (ca 1930) Used in early TV tests

12AP4 (12 inch) used in U.S. mirror in lid sets

Cossor 3244 (5 inch) used in Cossor 54

14AP4, used in early DuMont 14 inch sets

DuMont 20AP4

Mazda CRM-71 (7 inch). Used in Ekco TA-201 and TS-201

Baird 15MW3 Cathovisor (15 inch) used in Baird T-5 and T-23. Click for ad. 

(Courtesy of Dave Abramson)  

Safar VS 4/35 (1938)

Telefunken RFB/T2. 19.5 x 22.5 cm. First rectangular CRT (1939). Click for article.

Emiscope 3/1 (5 inch), used in early HMV and Marconi sets

HMV 1800 tube (12 inch). Notice the unusual neck.

Mazda CRM-121 (12 inch) first made in 1938, but used in British sets until the early 50s.

Emiscope 3/3 (9 inch)

Cossor 3272 (13.5 inch) used in Cossor 137T. Click for ad and pictures.

Emiscope 6/6 (12 inch) used in early HMV and Marconi mirror in lid sets

French 1939 projections tubes, for 20 and 40 kv

Lorenz 50 cm (20 inch) CRT

Lorenz projection CRTs

1938 German CRT. Click for more information

This tube was made by Philips between 1936 and 1938 at their laboratory in Eindhoven, the Netherlands. They were sold for use in home made television receivers, and in a few complete sets made by Philips.

Compagnie des Compteurs 3". Click for more information

Rectangular, flat faced CRT used in 1941 CBS color experiments

EMI R5161 (1938) Used in Marconi 708