Picture Tubes
Color Picture Tubes
Early Tubes
* On display at the museum
DuMont Trichromoscope (1947) |
Geer CRT (1949-52) |
|||
RCA C73275* (1951) One gun developmental CRT |
RCA C73293C* (1952) Three gun developmental CRT |
|||
Chromatron (1952-54) |
|
CBS Hytron 15HP22 (1954) |
||
|
DuMont B1103 (1954) |
DuMont rectangular tube (1954) |
||
|
RCA C736785* (1954) |
RCA 21AXP22 (1955) |
||
|
|
Philco Apple (1957) |
||
|
Motorola Prototype Rectangular (early 60s) |
|||
Modern Tubes
W76 DOS 140* - World's shallowest color TV tube. This is the last prototype color tube made by Thomson (RCA) at their Lancaster, Pennsylvania plant. This tube has an impossible 140 degree deflection angle. In fact, engineers were never able to get it to converge properly. (click on pictures for higher definition image) Cutaway of a 110 degree color CRT*. These items were donated by Thomson. |