New Machines and Gadgets. The Science News-Letter 56/21 (November 19, 1949): 336.
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New Machines and Gadgets. The Science News-Letter 56/21 (November 19, 1949): 336.
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identifier
2000052781
created
2011-03-08T16:52:57
license
modified
2011-03-08T16:52:58
title
New Machines and Gadgets. The Science News-Letter 56/21 (November 19, 1949): 336.
shortTitle
New Machines and Gadgets, Science News-Letter (1949)