Descrizione

Features: photo of interesting "new ears" for anti-aircraft gunners; a 4000 year food experiment - nutritional equilibrium in over-populated China; Editorials - spend for prosperity - Daniel Guggenheim - International affairs; Instrument flying to combat fog; Elevated highway to speed traffic in New York; X-ray fingers feel out the atomic structure of matter; A fact-finding laboratory; Archeology enters the stamp world; What is a quantum?; Feeding the crew of a battleship; More about pluto - further observations confirm its right to rank as a planet; Oil from below the ocean floor - oil derrick and pier are constructed in perilous waters; Factory wastes turned to profits; Scattered light and the Raman effect; An atom of Lutecium - its atomic structure is plotted for the first time; A murder, and the story the pistols told; When crude oil crosses the seas; Traveling home for phone linemen - a railroad train refitted as living, eating ,recreation quarters; Aviation in 1930, a summary. Back cover features colour advertisement for Lucky Strike cigarettes. An attractive woman is reclined beneath the caption "20,679 physicians say Luckies are less irritating." Cord front wheel drive automobile advertisement inside front cover. Average wear. Unmarked. Magazine