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Scientific American, Vol. 31, No. 11 (1874) (1874)
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ght have plenty of roots, and the first part of the programme was com- furnished nothing for the roots to eat. To menced, aseries of small pilot balloons being have plenty of roots and no food is equivalent sent off in succession to ascertain the direction to having plenty of food and no roots. The… … © 1874 SCIENTIFIC AMERICAN, INCInternet Archive · Public domain (published before 1931). Free to use for anything.
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