Munn, Orson D.
Title Scientific American August 1931 Volume 145 Number 2
Size 4to - over 9¾" - 12" tall
Publisher New York Scientific American Publishing Company 1931
Seller ID 35507809
Features: Time and the railway dispatcher - the hands of the clock daily control the movement of thousands of trains throughout the country; Editorials - control of competing transportation - the army air maneuvers - pseudo-scientific rain makers - blasting caps in children's hands; Carl Akely's Africa - the Africa where Akely, Crusader for Animal conservation, found the wildlife he loved to paint, photograph, model and conserve; Which shall inherit the earth - man or the insects!; The Merchandise Mart, a new 'largest' enterprise for Chicago; Worlds from a catastrophe - did a giant star hit the sun and cause the birth of the planets?; Hydro-electric power in the Ozarks - Huge Bagnell Dam of the Osage project nears completion; To stop soil erosion losses; Meeting the emergencies of a great city; The big noise behind the "mike" - intricate apparatus used to simulate noises that come over the radio; The earth beneath - seismology gives a hint of what is beneath the earth's crust; Staying the hand of time - stonework protection by parafin impregnation; An now, it's seaweed - kelp may supply elements now lacking in our diet; Progress and the telephone - a gigantic business that helps all other businesses makes headway despite unstable business conditoins; A book-print reader for the blind; Blasting roads to settle them; Asquith and Kitchener - two great British War Leaders. Mildly visible erasure to top of front cover. Average wear. Unmarked.