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Science Past from the issue of May 6, 1961
PATENTS OF THE WEEK — “Inventions for the home of tomorrow” were the theme of several inventions just patented. Two improved methods for rocking the cradle electrically have been invented. The main advantage of the “motor driven cradle” … is that it can be made inexpensively. It also has a timer and an adjustment that […]
By Science News -
Science Future for May 7, 2011
May 21–22 Shoot off rockets and hear astronomers sing in Raleigh, N.C.