To protect $20,000 worth of chimpanzees, gorillas, orangutans, gibbons and blue mandrills from colds and sinus ailments, the Philadelphia Zoo last week under the direction of Engineer Willis Haviland Carrier installed in its monkey house three machines to provide warm moist air exactly like that of a jungle. Engineer Carrier last year installed similar machinery to control the heat and humidity of the air in the U. S. House of Representatives, the U. S. Senate, the offices of President Hoover.
Smelt Run
In 1912, millions of small, silvery, delicious, peculiar smelt were dumped...
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