Well's natural philosophy : for the use of schools, academies and privte students, introducing the latest results of scientific discovery and research ; arranged with special reference to the practical application of physical science to the arts and the experiences of everyday life ; with three hundred and seventy-five engravings (1873)
Wells, David A · New York : Ivison, Blakeman, Taylor and Co. · leaf 182
Fig. 168. … 178 WELLSS NATURAL PHILOSOPHY. Fig. 169. brass, Fig. 168, which fit together air-tight. By exhausting the air in theirinterior, by means of the air-pump, and a stop-coek arrangement affixed toone of the hemispheres, it will be found that they can not be pulled apartwithout the exertion of a very…
Physics · Science · Technology
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