Text from back of image: "Photo shows R. F. Kohr, chief of the aeronautical section of the Bureau of Standards in Washington, DC who is the inventor of a great helium-saving device for Uncle Sam's airships, at work on one of his motors that he used...
Text from back of image: "Successful tests were conducted recently at the Farborough Experimental Station, Hampshire, England, with a new land catapult, the only device of its kind in the world. A giant bombing plane, weighing nine tons was...
Text from back of image: "By an ingenious racket arrangement the landing wheels can be drawn up so that the machine can land on its pontoons on the water when the necessity arises. The 'Viking 11' recently gained the first prize in government...
Text from back of image: "Senior and post-graduate students of the Daniel Guggenheim School of Aeronautics entered the Fairchild-Caminez contest for the best design of a training plane designed around the Fairchild-Caminez 'cam' type of engine,...