Early Television
Early Television
Early Television
Early Television
Early Television Early Television

Mechanical Television

Jenkins Drum Prototype

Jenkins articles

The first version of this scanner appeared in 1928. It used a drum scanner and a multi-section neon tube:

Early Television

Early Television

Radio Movies and Television for the Home - Radio News, August 1928

In late 1929, the mehanism was altered somwhat and put in a cabinet:

Early Television