EVB2947241: Color television is demonstrated at Radiolympia Exhibition in London. Sept 1949. The method demonstrated employs synchronized rotating color filters in both the camera and receiver (on right), giving 50 pictures per second in the three primary colors, which the human eye blends into full color. / Bridgeman Images
EVB2947322: Prime Minister Winston Churchill leaving 10 Downing Street to speak to Parliament on June 18, 1940. He announced Britain has more than 1,250,000 men under arms and Britain would fight alone 'for years' if necessary. Behind him is Brendan Bracken, a Conservative Party Parliamentary Private Secretary to the Prime Minister. The Germans had just defeated France and British troops had retreated from Dunkirk to England. / Bridgeman Images
EVB2947225: Film engineer using the Dunning Method. He places blue light filter on a special light which will illuminate the filming background. The movie scene was enacted in the studio at a later dates under yellow light. Using dyes and filters, the blue and yellow light could be split apart to create traveling mattes. The Dunning Process was first used in 'King Kong' in 1933. / Bridgeman Images
EVB2947252: Max Baer with his wife, Mary Ellen Sullivan, and Max Baer Jr. on March 19, 1938. The baby feels Baer's swollen eye, a souvenir of his recent victorious bout with Tommy Farr. Max Baer Jr. became an actor and, played Jethro Bodine in the television series 'The Beverly Hillbillies'. / Bridgeman Images
EVB2947321: First Lord of the Admiralty, Winston Churchill leaves 10 Downing Street, April 7, 1940. He was leaving to address the House of Commons on the state of the French Navy during the 'Phony War' lull. The real war began 2 days later with German invasions of Denmark and Norway on April 9, 1940. / Bridgeman Images