Color Picture Tubes

Early Television

Mechanical TV
- Gallery
- Database Summary
- Sets at the Museum
- Restoration
- Broadcasting
- Advertising
- Roger DuPouy's Site
- Peter Yanczer's Site
- Gerolf Poetschke's Site
- Eckhard Etzold's Site
Early Electronic TV
- Gallery
- Database Summary
- American Sets at the Museum
- British Sets at the Museum
- Restoration
- Broadcasting
- Technical Information
- Other Equipment
  - Antennas
  - CRTs
  - Test Equipment
  - VHF Boosters
- Advertising
- Gerolf Poetschke's Site
- Eckhard Etzold's Site
Postwar TV
- American Postwar TV
- British/European Postwar TV
- Postwar TV in the Rest of the World
- Restoration
- Postwar Broadcasting
- Technical Information
- Other Equipment
  - Accessories
  - Antennas
  - CRTs
  - Test Equipment
- Advertising
- Eckhard Etzold's Site
Early Color TV
- Gallery
- Database Summary
- Color TV Systems
- Sets at the Museum
- Restoration
- Broadcasting
- Technical Information
- CRTs
- Advertising
- Pete Deksnis's Site
- Ed Reitan's Color Television History
- Eckhard Etzold's Site
CRT Rebuilding
- Rebuilding Tubes at the Museum
- Donations
The Foundation and Museum
- Early Television Foundation
- About the Museum
- Directions to the Museum
- Friends of the Museum
- Equipment Donations

Early Television

Early Television

Early Television

Early Television

Picture Tubes

Color Picture Tubes

Early Tubes

* On display at the museum

Early Television

Baird Telechrome (1942-45)

Early Television

DuMont Trichromoscope (1947)

Early Television

Geer CRT (1949-52)

Early Television

RCA C73275* (1951)

One gun developmental CRT

Early Television

CBS projection tube (1951?)

Early Television

RCA C73293C* (1952)

Three gun developmental CRT

Early Television

Chromatron (1952-54)

Early Television

RCA 15GP22* (1954) Used in RCA CT-100 and other 15 inch color sets

Early Television

CBS Hytron 15HP22 (1954)

Early Television

CBS 205 Colortron*

Early Television

DuMont B1103 (1954)

Early Television

DuMont rectangular tube (1954)

Early Television

rectangular (1954)

Early Television

RCA C736785* (1954)

Early Television

RCA 21AXP22 (1955)

Early Television

CBS HD226* (1957). Early rectangular color tube

Early Television

Westinghouse 22EP22. (1957) Used in Westinghouse H22T155.

Early Television

Philco Apple (1957)

Early Television

21CYP22 (1959)

Early Television

RCA Experimental Flat CRT *

Early Television

Motorola Prototype Rectangular (early 60s)

Early Television

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.