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Scientific American, Vol. 87, No. 12 (1902) (1902)
leaf 8
ing, and, as each shaft would have wrought destruction. As a result, they ing of the marks was done by one observer and the carries two propellers, there are eight propellers in all. silted up, and had to be cleared of many millions of stop watch was held by another, the result being care- The… … K.C.M.G., F.RS., These consid- Engineer-in-Chief, © 1902 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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