Planeurs

Scientific American September 1932 Volume 147 Number 3

Features: Hoover Dam - purposes, plans, and progress of construction; Editorials - Dr. George K. Burgess and Dr. George F. Kunz - are there White Indians? - back to earth - construction - wages; Flying in the beginning - early experiments with man-carrying kites and gliders; Peregrinations of a freight car - as a railroad freight car travels here and there over the country, records are made of its movements in minute detail; New Planetary discoveries - the discovery of minor planets has fairly been put on a basis of mass production; The muscular power of insects - the muscles of insects give them much greater power proportionately than other animals possess; A masterpiece of Museum-craft - the largest existing monument of Greek sculpture has been re-erected in a museum in Berlin; Radio in the forest service - new transmitter-receivers, one weighing only 10 pounds, are to be tested this year; Solo man - a fossil skull - a new find of great importance; new notes on ancient man - recent discoveries throw new light on man's antiquity; Tropical fish as pets; Food for a floating hotel - the supplies for an ocean liner's next trip are ordered while the liner is still 1000 miles out at sea; Whirling molten steel to make gun castings - newly perfected centrifugal process promises better guns; Treasure trove in lowly "Sweeps" - all wastes and sweepings in jeweler's plants are carefully salvaged and precious metals recovered from them. Building safety into automobile glass - laminated safety glass for cars does not shatter; Quartz takes up fire fighting in the automatic heads of sprinkler systems; Advertising a curb on product design pirates. Back cover graced with colour Lucky Strike advertisement featuring painting of a sensuous young woman beneath the caption "OK - Miss America! We thank you for your patronage."Three inch opening between top of spine and front cover. Book

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