1189x3267, 251x689, 335x919, 446x1226, 595x1634, 73x200 | 57.—Second Pulley System.Elementary Mechanics, Including Hydrostatics and Pneumatics. Revised edition (1882) The only system of pulleys frequently employed for hoisting is what is called the second system, where there are two blocks of pulleys, one attached to the weight, and the other to the beam; and where [...] Keywords: pulleys, machinery, diagrams, greyscale Places shown: none Added: 2008-10-29 + S K L |
Image status: public domain, hence royalty-free stock image; usage credit requested | 1114x1319, 169x200, 627x742, 836x990 | 60.—Chinese Capstan.Elementary Mechanics, Including Hydrostatics and Pneumatics. Revised edition (1882) A pulley is often used in conjunction with a capstan, the rope passing round a pulley attached to the weight, and the mechanical advantage of the capstan is thereby doubled. Moreover, the free end of [...] Keywords: machinery, diagrams, wheels, pulleys, steampunk, greyscale Places shown: none Added: 2010-08-02 + S K L |
Image status: public domain, hence royalty-free stock image; usage credit requested |
1861x1768, 211x200, 5584x5304, 931x884 | Plate XCIX.—Hydrostatics.—Fig. 1. A quadruple pump-mill for raising water.Enclyclopædia Britannica (1771) The height of modern technology in 1771: a super-efficient pump powered by a water wheel! The ngine is represented in Plate 99. fig. 1. In which ABCD is a wheel, turned by water according to the order [...] Keywords: diagrams, machinery, wheels, pulleys, chains, whaterwheels, pumps, hydraulics, greyscale Places shown: none Added: 2014-03-24 + S K L |
Image status: public domain, hence royalty-free stock image; usage credit requested | |