COAXIAL CABLE SYSTEM FOR TELEVISION TRANSMISSION 443 



The arrangenient is indicated schematically in Fig. 6. Light from a 

 powerful incandescent lamp behind the disk, passing through one lens 

 at a time, is focussed by the lens to form on the film a small dot of 



Fig. 5 — Repeater near Dunellen, New Jersey. 



light about three thousandths of an inch square. The lenses in the 

 disk are spaced by a distance equal to the width of the picture, or a 

 little less than an inch, and as the disk rotates, each spot is moved 

 rapidly across the picture. The film is carried at a uniform rate 



