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Scientific American, Vol. 81, No. 20 (1899) (1899)
leaf 3
he ever. Another great problem which the commercial inter- the river the vessels collided and the ‘* Houghton” trips down the lakes and return ‘‘light,” as the vessel- ests of the lake re- men say. Then, gion can noionger too, the owner, if evade is that of he desired to con- the necessity for sume… … but more import- The lessons of © 1899 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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