General Electric HM-225

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 Electronic Television

General Electric HM-225

(click on picture for high resolution image)

	Screen Size	9 inch
	Year Made	1939
	Quantity Manufactured	?
	Original Cost	?
	Number Still in Existence	See Early Electronic Database
	Cabinet	Original Finish
	Chassis	Restored

1982 resoration of this set by Richard Brewster

Recent ETM restoration

Advertising literature

Technical information

This set has a 9 inch direct view picture tube. General Electric introduced 5 models in 1939. The others were the HM-171 (5 inch vision only), HM-185 (5 inch console), HM-226 (12 inch direct view console) and HM-275 (12 inch mirror in lid console).

Early Television

Advertisement