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Scientific American, Vol. 78, No. 15 (April 1898) (1898)
leaf 7
the needles. couple of binding wires are laid in before the coil is hole through it is just a trifle smaller than the lens. A Finding that the light needles and the low-resistance wound. About six layers of the wire above mentioned narrow V-shaped groove is then cut around the center coils gave an… … © 1898 SCIENTIFIC AMERICAN, INC.Torpedo · Patents · Submarine · Boat · Ship · Frame · Scientific American · Coils · Young men · Rack bar · Candle power · Conning tower · Torpedo boat · Holland submarine · Gas engine · Submarine boat · Protected cruiser
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