A manual of electricity, magnetism and meteorology (1844)
Lardner, Dionysius, 1793-1859, Walker, Charles Vincent, 1812-1882 · London Longman, Brown, Green & Longmans · leaf 548
shaving been deduced from his plan, and have reason tothink that it may not possess the merit which he hasassigned to it. (510.) Professor Jacobi, of St. Petersburg, has donea great deal in these matters, and has so far succeededas to navigate on the river Neva, a vessel manned bytwelve persons. He… … Fig. 282. is a representation of the machine. Itwill be seen to consist of four fixed electro-magnets * January, 18-H 512 ELECTRO-MAGNETISM. BOOK V. attached to the wooden frame-work ; and four movableelectro-magnets, which carry with them the circulardisc and the axis. The battery is shown in…
Atmospheric electricity · Electricity -- Early works to 1850 · Magnetism
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
