Book 2,181 - Dent on The Construction and Management of Chronometers, Watches, a

Description

Dent on The Construction and Management of Chronometers, Watches, and Clocks
by Edward J. Dent. This a reprint of a pamphlet composed principally from the notes drawn up for two lectures delivered by the author before the members of the United Service Institution. The details, of which out of necessity were introduced in the lectures, are here omitted; but it is presumed, that the drawings which accompany the following descriptions will enable anyone, however previously unacquainted with the subject, to understand, on opening a watch, the general action of the escapement and distinguish the different principles. 31 pages. Original copyright 1842. Soft cover. Excellent condition. – Book 2,181