Légende
This 1870s illustration explains Parallel Motion as understood by James Watt, the Scottish inventor and mechanical engineer. James Watt (1736-1819) was said to have discovered the power of steam when he placed his hand in front of kettle that held a very hot liquid. Watt's improvements to the steam engine were key to the changes that came with the Industrial Revolution. The text reads: A B is half the beam, A being the main centre; B E, the main links, connecting the piston-rod, F, with the end of the beam; G D, the air-pump links, from the centre of which rthe air-pump-rod is suspended; C D moves about the fixed centre, C, while D E is movable about the centre D, itself moving in an arc, of which C is the centre the dotted lines show the position of the links and bars when the beam is at its highest position.
Crédit
Photo12/Universal Images Group/Ivy Close Images
Notre référence
UMG25A05_355
Licence
Droits gérés
Format disponible
38,0Mo (912,6Ko) / 43,2cm x 22,0cm / 5100 x 2603 (300dpi)