Early Television
Early Television
Early Television
Early Television
Early Television Early Television

Picture Tubes

Pre-1945 Picture Tubes

American Television Institute CRT manufacturing RCA CRT advertisement
DuMont 14AP4 manufacturing Rebuilding pre-1945 CRTs
DuMont intensifier Rosing CRT - 1912
French CRT manufacturing Schmidling projection CRT
National Union CRTs Sylvania CRTs
Philco CRT Welding - 1944 1939 list of American CRTs
RCA Encourages Amateurs 1943 CRT data sheets
RCA 12AP4 manufacturing  

*Indicates the tube is on display at the museum

American CRTs

Early Television

Western Electric 224-B* (1927). Oscilliscope CRT.

Bell System Technical Journal article

(Courtesy of John Folsom)

Early Television

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

 

Early Television

RCA experimental CRT* (#695) (1934)

(Donated by Chuck Azzalina)

Early Television

Experimental late 30s CRT

(donated by Chuck Azzalina)

Early Television

3AP4* (906-P4) (3 inch) sold by RCA for home experimenters (1937)

 

 

Early Television

Bell Labs CRT (1938)

Early Television

RCA 31 inch CRT (1938)

Early Television

DuMont 9 inch (1939)

Early Television

Early Television

1939 projection CRT using multiple rings to improve focus

Courtesy of Chuck Azzalina

Early Television

RCA 1800* (1939)

Early Television

144-9/T/14AP4* used in early DuMont 14 inch sets (1938)

 

Early Television

DuMont 20AP4 20AP4 (1940)

Early Television

12AP4* (12 inch) used in U.S. mirror in lid sets (1939)

Early Television

Philco ion trap CRT (1939)

Early Television

Rectangular, flat faced CRT used in 1941 CBS color experiments

 

Early Television

RCA tube used in TRK-12 projection set prototype

Early Television

National Union "stubby" 9 inch (1939)

Early Television

DuMont 1941 CRT

Fabricating a Television Tube - Radio News, December 1941

British/European CRTs

Early Television

Baird/Rauland projection tube (1939)

Early Television

1930/31 Ardenne CRT, used in Flying Spot Scanner

On loan from Bob Dobush

Early Television

Telefunken 50 cm (1938)

Early Television

Ardenne 1933 projection CRT

Early Television

Cossor 1935 12 inch CRT

Early Television

Compagnie des Compteurs 3"* (1936)

Early Television

Cossor 3272* (13.5 inch) used in Cossor 137T (1936)

 

Early Television

Baird 15MW3 Cathovisor* (15 inch) used in Baird T-5 and T-23 (1936) Advertisement 

Courtesy of Dave Abramson   

Early Television

Emiscope 6/6* (12 inch) used in early HMV and Marconi mirror in lid sets (1937)

Early Television

Emiscope 3/3 (9 inch) (1937)

Early Television

Emiscope 3/1* (5 inch), used in early HMV and Marconi sets (1937)

Early Television

Safar VS 4/35 (1938)

Early Television

Cossor 3244 (5 inch) used in Cossor 54 (1938)

Early Television

Mazda CRM-71 (7 inch). Used in Ekco TA-201 and TS-201 (1938)

 

Early Television

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

Early Television

Early Television

EMI R5161 (1938) Used in Marconi 708 (1938)

Early Television

Telefunken RFB/T2. First rectangular CRT (1938)

Early Television

HMV 1800 tube (12 inch). Notice the unusual neck.(1939)

Early Television

Lorenz 50 cm diam. CRT (1939)

Early Television

Lorenz projection CRTs (1939)

Early Television

French 1939 projection tubes, for 20 and 40 kv

Early Television

Lorenz projection tubes (1937)