The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 230
ity. Professor Jacob!, of St. Pelersburgh, tried In 1838, at the expense of theRussian government, the experiment of propelling a boat by electro-magnet-ism. The vessel went at the rate of four miles an hour with the streamand three miles against it, which as Mr, Noad remarks, is more than… … ,0n to a stoutimahogany boardare fixed the brass uprights £ £; to these areattached the electro-magnets A B, covered with stout wire \ through theupper part of these uprights, and above the magnets, the two endsof the steelspindle c work; this spindle carries about its centre an Iron bit, which…
Architecture · Civil engineering · Science
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