Marine and Pocket Chronometers: History & Development :: Hans von Bertele soon to be presented for sale on the terrific BookLovers of Bath web site!
West Chester: Schiffer Publishing, 1991, Hardback in dust wrapper.
Contains: Black & white photographs; Facsimiles; Diagrams; Illustrated endpapers and blanks; Frontispiece; 2-column text (in part);
From the cover: Chronometers Marine and pocket chronometers, pocket watches with tourbillons or carousels form, in the large family of clocks, a small group of very precisely running timepieces with little sensitivity to external influences, such as variations in temperature.
Since its invention, the marine chronometer has led to greater safety in sea travel. Taking a chronometer along solved the longitude problem the problem of determining geographical east-west distance on the high seas and thus the precise location of the ship at any time.
In the period from 1785 to about 1900, fine mechanical development dominated the production of chronometers, in order to make them more accurate and less sensitive. Thus there was a remarkable variety of balance wheel designs that w…
Very Good in Very Good Dust Wrapper. Dust wrapper lightly snagged at the head of the spine, a decent copy otherwise.
Black boards with Grey titling to the Spine & Upper Board. 0 pages. Bibliography. 12¼” x 9¼”.
Of course, if you don’t like this one, may I entice you with something lovely from my Horology catalogue?