Dr. H. R. Seelen

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 Museum

Dr. H. R. Seelen

Early Television

Donated to the museum by Joe McGlinchy

This desk calendar was an award for Dr. Seelen, "Mister Color Picture Tube", who was a Division Vice President at the Television Picture Tube division of RCA. He was one of the designers of the 21AXP22, RCA's first 21 inch color tube.

Early Television

Milestones in Color Picture Tube Development

Development of 21 Inch Metal Envelope Color Picture Tube

Early Television

A patent by Seelen

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