A history of electricity : the intellectual rise in electricity from antiquity to the days of Benjamin Franklin (1898)
Benjamin, Park, 1849-1922 · New York : J. Wiley & Sons · leaf 150
a dis-tinction which, as I have explained, obtained in theearly compass, but which had long since ceased to exist inthe time of Magnus. Observe also that it is the lodestoneof which falsification is especially feared, because it wassupposed that if the stone were wrong, then the needlerubbed by it… … THK PUNISHMENT OF THE FAI.SIFIER OF THE COMPASS.^ belief that the falsification could be very easily accom-plished; and this was true, for the perpetrator, for ex-ample, might rub the needle with the lodestone so as toreverse its polarity, or so as greatly to diminish its direct-ive tendency. In…
Electricity · Magnetism
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