Word: projector
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Incendiaries were the earliest chemicals used in war. The first flame projector (glowing coals, sulphur and pitch) got into action at Delium in 424 B. c. Thermit, a mixture of iron oxide and powdered aluminum which burns at 3,000° C., was the chief World War incendiary. It was used in conjunction with oil to spread fires which the thermit started. Since there is not much of importance to burn on a battlefield, Author Prentiss believes the chief future use of thermit and other incendiaries will be against cities...
...positive print of such an x-ray film may be cemented into a loop in a projector and run over and over to show a roomful of observers precisely how the patient breathes, throbs, swallows, belches...
...their hour's chat, the Dictator spoke of the effect produced on Ethiopians when invading Italians set up at Aduwa the first cinema projector the town had ever seen, and invited the whole town to see the show. "I am not sure that was a work of Civilization," sardonically remarked Mussolini. "The natives fled to the hills as if from the Devil. Perhaps they were right...
Astronomers have suggested that the Star of Bethlehem which guided the wise men to the Child Jesus was a nova or "new star," exploding like famed Nova Herculis of 1934. Last week Professor William Henry Barton Jr. of Manhattan's American Museum of Natural History, operating the Zeiss projector in the new Hayden Planetarium, ran celestial time backward and showed how the Star might have been a planetary conjunction. In 8 B.C. Saturn, Jupiter and Mars were very close together, as the projector showed on the vault of the Planetarium dome. When the projector was run slowly forward...
USSR's famed Maxim Gorki (ANT-20), world's largest landplane, contains a complete sound cinema projection booth in addition to a broadcasting studio, rotary printing press (capacity: 10,000 papers per hr.), photo-engraving plant, etc. But Maxim Gorki's projector is used on the ground, to show propaganda films in territory where cinemansions are unknown...