Author Rick Kelsheimer babbles and rants in a shameless attempt to trick unsuspecting web surfers to buy his books: Paradise Lanes The Lost Slab, South Union, The Hanging Of Betsey Reed, Wa-Ba-Shik-Ki and The Adventures of Wabash Jake
E-mail rickkelsheimerbooks@yahoo.com
Thursday, April 28, 2011
World War I Air Raid Technology
In World War I, before the invention of radar, individual cities built these sound amplifiers to listen for approaching enemy planes. The designs are amazing.
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