RT @HistoryInPics: NASA scientists with their board of calculations. 1960s http://t.co/pqUnOWK9qD

NASA scientists with their board of calculations. 1960s http://ift.tt/1iXzkKk

— History In Pictures (@HistoryInPics) April 25, 2014

Scritto su Twitter http://ift.tt/1dQ1z7o

April 26, 2014 at 07:45AM