Shorpy Home Front Photographs-- Part 2

Jan. 17, 2014--  THE PENTAGON: 1940.

June 16, 2014--  THE "HUMP OFFICE: 1942--  December 1942 "Switch lists coming in by teletype to the hump office iof the Chicago & northwestern railroad yard in Chicago."  Jack Delano, OWI.

JAN. 15, 2014--  DATA ENTRY: 1942--  January 1942, Washington, D.C..  "U.S. Office of Defense.  Transportation system of port control and its traffic channel control.  using IBM punch card equipment.  Photo of a woman typing punch cards.  Early computer system.

--GreGen