A descriptive and historical account of hydraulic and other machines for raising water, ancient and modern : with observations on various subjects connected with the mechanic arts: including the progressive development of the steam engine . ished ). others in ir)5t;—ir)58—15Gl—16-21—and 1657. all at Basil. Brune*/s ManuelDu et De LAmateur de Livres. Paris, 1H20. It is a copy of tlie last editio-?we make use of The author w;is born in 1494. and died in IfviS. See also K rchers Mnndus Subterraneus. Tom. ii. jjp. 195, 228. Chap. 15. Modern Chain of Pots. ]Ot and the imporfect sub
A descriptive and historical account of hydraulic and other machines for raising water, ancient and modern : with observations on various subjects connected with the mechanic arts: including the progressive development of the steam engine . ished ). others in ir)5t;—ir)58—15Gl—16-21—and 1657. all at Basil. Brune*/s ManuelDu et De LAmateur de Livres. Paris, 1H20. It is a copy of tlie last editio-?we make use of The author w;is born in 1494. and died in IfviS. See also K rchers Mnndus Subterraneus. Tom. ii. jjp. 195, 228. Chap. 15. Modern Chain of Pots. ]Ot and the imporfect substitutes for cog wlicols, iJontiral with those of EgVDtaid Asia, and may ;ie considered a fair representative of this nnachine usused in tlie ae^ districts of the ancient world. No. , represents a section of a mod-ern machine. The wheel istaced in orover I. :;islern designed to receive the wa-le-. Bickctsare secured to the chain be-I^^een ths joints of the la*.ter, and the\\ neei 3 ^t .-evolves, receives the of thee? joints on the ends of itsarms, which are suitably shaped for thepurpose. The buckets therefore fall inbetween the arms of the wheel and be-come inverted in passing over it as inthe No. 55. Modern Chain of Pots. The chain of pots has been appliedto a great variety of purposes. It hasbeen employed for ages, in cleansingdocks, deepening harbors, &c. Thevessels being made of iron and formedlike wide scoops, are made to pass un-der pulleys attached to the bottom of amoveable frame, which is raised andlowered, to suit the varying depth ofthe channel Besson also proposed itto raise mortar, &c. to the top of citywalls, fortifications, &c. and whereverlarge quantities were required ; an ap-plication of It that Is worthy of the notice of extensive builders, for thetime consrimed and exertion expended by a laborer, in ascending a long lad-der or fllii:ht of stairs to deposit a modern hodful of mortar, and returningthrouofli the same spa
Size: 1146px × 2181px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1870, bookiddescriptiveh, bookyear1876
