Museum Hours:

Saturday 10-6

Sunday 12-5

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Picture Tubes

Postwar Picture Tubes

CBS CRT specifications (1956) DuMont's million tube a year plant Picture tube manufacturing
Corning TV Bulb Selector (early 50s) Fairchild (Aiken) flat screen CRT Rectangular TV Tube Cuts Cost
CRT manufacturing items Flat TV Tube (Gabor tube) Skiatron Projection CRT
CRT rebuilding General Electric experimental clear CRT Sylvania flat screen CRT
Dumont CRT advertisement How to Manufacture CRTs (Wikibooks) Sylvania 1946 advertisement
DuMont CRT specifications (ca 1945) New TV Screen Offers Greater Contrast John S. Vansant, CRT Engineer
DuMont CRT specifications (1956) Philips "Folded-Up" CRT 60 Television Tubes an Hour

Direct View Tubes

7GP4 (1946)


DuMont 12JP4 Prototype (1947)

Philco Rectangular Prototype (late 40s).

Courtesy of Darryl Hock

10HP4. Made about 1948 and used in the Belmont 22AX22 console.

Courtesy of John Folsom

16AP4 (1948)

20BP4 (1946)

21AP4 (1951)

30BP4 (1951) Used in the DuMont Royal Sovereign

K1003P4, postwar replacement for 14AP4 used in DuMont pre-1945 14 inch sets

CRT for use in high light situations



Projection Tubes

Rauland projection tube


Experimental Rauland Projection CR


TP400 (1948) Used in the Philco 48-2500

3NP4 (1949) Used in Norelco Protelgram projection unit

5TP4 (1946) Used in RCA and other projection sets