rods or rules of the clocks, and the pendulum, of course,was out of the question altogether ; it therefore became imperativeto invent some other regulating system. It occured to the Abb6 d Hautefeuille to form a sort of resilientmechanism by attaching one end of a hogs bristle to the plate andthe… … Fig. 156 Fig. 157 later was supplanted by one coiled up like a serpent; but in spiteof this advancement, the watches did not keep much better time.Harrison, the celebrated English horologist, had recourse to twoartifices, of which the one consisted in giving to the pallets of theescapement such a…
Clocks and watches
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