Fusee

Autor:

Dionysius Lardner

Credit:

Downloaded from Dionysius Lardner, The Museum of Science and Art, Vol.6, Walton & Maberly, London, 1855, fig.14 & 15, p.24-25 on Google Books

Krótki link:

https://plwiki.pl/b/e0ec3

źródło:

Wikimedia Commons

Wymiary:

994 x 817 Pixel (73055 Bytes)

Opis:

Woodcut of fusee and mainspring, showing operation. The fusee (cone-shaped pulley) was used in antique clocks and watches to improve accuracy by equalizing the force of the mainspring. The labeled parts are: (A) mainspring arbor, (B) mainspring barrel, (C) chain, (D) fusee axle, (E) attachment of chain to barrel, (e) attachment of chain to fusee, (F) fusee, (G) winding arbor, (W) output gear wheel. Alterations: combined two illustrations from the source, Fig. 14 p.24 and Fig.15 p.25 into one image, and added the captions.

Licencja:

Public domain

Komentarz do licencji:

Public domain - Author died in 1859