Clock Mainspring

Autor:

Dionysius Lardner

Credit:

Downloaded from Dionysius Lardner (1858) Handbook of Natural Philosophy: Mechanics, Walton & Maberley, London, fig.325, p.355 on Google Books

Krótki link:

https://plwiki.pl/b/e0ebf

źródło:

Wikimedia Commons

Wymiary:

722 x 384 Pixel (34842 Bytes)

Opis:

Drawing of a clock mainspring from the mid 19th century.

WARNING - Never disassemble a watch or clock that contains a mainspring without the proper tools and techniques. The mainspring contains a lot of energy and can release suddenly, causing serious injury.

Licencja:

Public domain

Komentarz do licencji:

Public domain - artist died in 1859