Dodge, Mary Mapes, 1830-1905 · [New York : Scribner & Co.] · leaf 555
mand for it in all itsmany phases. In such cases the pressures arevery high, fifty or sixty thousand volts, or over athousand times as much as Edison obtained fromhis first machines. So much have we progressedin thirty years. KrWj xg t <• ^ L q 00 0 «i i V> ^ -0 J - ^Or- -—- .rl* Q2&… … *gmm^g*
Children's literature
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