American horological journal, devoted to practical horology (1869)
Miller, George B · New York, G. B. Miller · leaf 178
It is stated that about 20 of these weremade between 1778, and 1780, and performedvery well. One of them, a gold chronome-ter, became famous, having been carried byDr. Maskelyn for 18 months, at the RoyalObservatory, under different degrees of tem-perature, and subject to the usual agitationof the… … 10, where the compound pieces are arrangedin the form of a loner S. This form was adopted by Emery, a Swiss workman in Lon-don. The two halves of the S are joined inthe middle, and the brass, as before, is inte-rior throughout ; the interior end a is attach-ed to one of the shorter crosses of the…
Clocks and watches
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