Show Two Miles l a Second The electron stream is shot in machine-gun machine sequence across the face of the plate from left to right at a speed of two miles miles' a second then it zips back to the left at double quick time and repeats the bom bom- With about shots in a row it makes trips from left to right to fill in the picture completely from top to bottom This action is controlled by electromagnetic electro mag force Whether each tiny shot of the electron bombardment rr a 44 Y J r. r J 1 v J a i 19 r 3 fN r J AID IN CRIME WAR WAn Here is a test telecast being made to determine determine determine deter- deter mine mine the value o of f television in criminal criminal criminal crim- crim inal identification by reproducing fingerprints Officials claim that in incases incases incases cases where speed is important fingerprints could be broadcast to operatives away from police headquarters head quarters eliminating the delay caused by mailing the prints to a central bureau |