Keywords: US Navy Cryptanalytic Bombe - 0583 amp chs.gif Schematic of a portion of the US Navy Cryptanalytic Bombe designed and built in 1943 by the United States Naval Computing Machine Laboratory Dayton Ohio This is an ampifier chassis drawing Note that the drawing was previously SECRET but has subsequently been declassified National Archives NARA2 in College Park Maryland Record Group 457 Box 584 National Archive Record Group 38 Uncertain United States Naval Computing Machine Laboratory Public domain - original work of the US Federal Government US Navy Cryptanalytic Bombe PD-USGov |