Word: photos
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Dates: during 1930-1939
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...your publication of the 13th, I see a caption under an illustration, on p. 10, under National Affairs, with photo of the Hon. Samuel Untermyer, reading "Jew Untermyer...
...mosaic on the mica is in effect a photo-electric cell flattened out and each particle is a tiny photocell in itself. When lights and shadows of any scene fall upon those particles, the light waves set up a positive electro-magnetic tension in the particles. The oscillating cathode beam of electrons discharge that positive tension. Thus each particle is alternately charged by light waves and discharged by the electron beam 24 times a second, which is a comfortable frequency of illumination for the human...
...light will be caught by a photo-electric cell and transmitted over the wires to Chicago where the impulses will throw four switches set in series...
...cloudy at any of the observatories the director will press a button and transmit the signal to the Exposition. W. A. Calder, tutor in Astronomy, who has been doing research work in astronomy with the photo-electric cell, has invented and set up the apparatus that will be used on the 24-inch reflector at Oak Ridge...
...pair of mice out of their hole onto his drawing board. When they assumed faintly human attitudes, his guffaw of delight sent them scampering back. Then, singlehanded, with $40. he tried to make an animated cartoon cinema called Steamboat Willie. His brother lent him several hundred dollars more to photo graph it and get to Hollywood. The pic ture did not sell but it got him a studio job. Soon after he invented an Oswald the Rabbit cartoon. Sound came to the cinema and his boss scrapped Oswald and Disney. With $15,000 savings, he and his elder brother went...