History, theory, and practice of the electric telegraph (1866)
Prescott, George B.(George Bartlett),1830-1894 · Boston, Ticknor and Fields · leaf 442
cheaply whatwas thus communicated. From that time forward, Morse is entitled to the high creditof making attempts to do this, however imperfectly informed hemay then have been of what had already been accomplishedtowards it; and he has the still higher credit, among the experi-menters from that… … Fig. 97. geon, in 1832, had formed a rotary electro-magnetic machine,which gave motion to working models of machinery so as topump water, saw wood, and draw weights. He had batteries ofzinc, and electric currents from them, and magnets with attractionand repulsion. And Baron de Schilling, the same…
Telegraph
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