Show television SOON WILL BE COMMON IN HOMES there are fifteen thousand television receivers in american homes today one year from now there will be around one hundred thousand television stations offering synchronized audiovisual broadcasting on regular schedule are now in operation in new york chicago boston washington and coast cities other cities will have stations soon license applications for experimental stations are flooding the federal radio commission at least three manufacturers are marketing reliable receiving sets it is safe to say that seven or more companies will form the nucleus of this infant industry by christmas the majority of television receivers now show an image of to inches the letter may be increased to 2 1 12 1 2 feet by a change of lens and projection of the light beam onto a larger screen the increase in size causes a loss in definition and illumination but the images are satisfactory visual broadcasts now include all forms of entertainment which may be seen and heard at the tallies talkies tal kies although talking pictures themselves make up the main part of the program in most cities As it exists today visual broadcast and reception is in a crude elementary stage which is comparable with the early crystal set days of radio in 21 and 22 some stations are broadcasting a 45 line screen but tho majority use 60 lines sixty lines means that the television image is made up of thirty six hundred little dots of varying light and shadow intensity actually only one of these dots is brought to the eye at a time but the eye retains the impression for one twentieth of a second during which time all other dots appear in their proper component position on the screen however even the sixty line image leaves much detail to the imagination alus problem will be overcome automatically mati cally when a receiver and broadcasting equipment eliminating tho necessity for moving parts is perfected progress in this direction has been made thomas calvert mcclary in forbes magazine |