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Page:Popular Science Monthly Volume 89.djvu/200

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What the Great Army of Inventors

���One man can easily tilt this truck body and discharge a load of two tons in thirty seconds

��A motor-ambulance

used by Australian troops in Egypt. The curtains form a temporary shelter. They are attached to stakes in the ground and pulled taut

��An electric flash-lamp with a bulb in the form of a hand, is one of the latest automobile signals for warning a driver behind at night

���The motor-tractor, run by storage batteries, has largely supplanted the mule in hauling lumber about the yard

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