Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 322
TS, about one-half the length of the bars, and of the same breadth, as in the method of Da Hamel; theremaining 10 bars are separated into two combined Bystema A B ol G ;> i - • ach, | Lao I on one of the bars 2s S, with their remote and opposite poles C in contact, and their lower poles n a… … and placed at the back of the others, as at A B, whilst the two interior bars of each system C s, C n,are withdrawn, and subjected to the same operation as the preceding; in this way we continue tostrengthen each pair of bars by the acquired power of those last touched, until the wh mag- netized to…
Mechanical engineering
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