Word: vacuum
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Dates: during 1930-1939
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...technical survey, Mr. Shermund discussed the advantages and disadvantages of the highly publicized metal tubes. Mr. Shermund aided in the designing of this new type of vacuum tube and organized work on them for the Raytheon Corporation...
...which only one may be hatched. The sun is a spendthrift when you consider that only a minute fraction of its light & heat ever reaches anything in space. "So must research be lavish." Many an unhampered experiment at Eastman tends to stray from the field of photography. In a vacuum of one-millionth atmospheric pressure, Dr. Kenneth Claude Devereux Hickman is distilling pure Vitamins A and D from animal oils. An X-ray device has been developed which tells genuine from imitation leather, and which reveals the minutest internal details of insects, down to embryonic skeletons in unlaid eggs...
...partial vacuum of those pleural cavities the lungs expand and collapse, expand and collapse with each breath. Sometimes infection inflames the lining of a pleural cavity, causes an exudation which fills the cavity and leaves no space for the lung to expand. In such a case of pleurisy, the fluid has to be drained off through a hollow needle carefully pushed in between a pair of ribs...
Sometimes a stab wound lets air into a pleural cavity. The air destroys the pleural vacuum which the lung requires and acts as a pneumatic cushion against which the lung can not expand. Such an accident is called pneumothorax...
...shelf. To the mouth of the jar was attached a soft rubber tube. To the other end of the tube Dr. Joannides fastened a large hollow needle. This he jabbed between the unflinching woman's ribs, kept it there while the air sighed from the jar into the vacuum around her diseased lung. When he judged that the cushion of air was big enough to immobilize the lung, he withdrew the trocar. The slim hole between the ribs closed by itself...