Knight's American mechanical dictionary : a description of tools, instruments, machines, processes and engineering, history of inventions, general technological vocabulary ; and digest of mechanical appliances in science and the arts . ck. Or they may havebeen raised on an incline otearth, afterwards removed. When Chersiphon built theTemple of Ephesus, in the timeof Amasis of Egypt, he raisedthe architrave by surroundingthe columns with bags of earth,whichserved as an inclined 2528 shows forms of hoist-ing-machines for coal-mines andfactories. ^ is a general elevation of the machine
Knight's American mechanical dictionary : a description of tools, instruments, machines, processes and engineering, history of inventions, general technological vocabulary ; and digest of mechanical appliances in science and the arts . ck. Or they may havebeen raised on an incline otearth, afterwards removed. When Chersiphon built theTemple of Ephesus, in the timeof Amasis of Egypt, he raisedthe architrave by surroundingthe columns with bags of earth,whichserved as an inclined 2528 shows forms of hoist-ing-machines for coal-mines andfactories. ^ is a general elevation of the machinery for hoist-ing, screening, and loading coals, which will be read-ily understood by merely citing the parts, a a arethe rope-drums, driven by the engines in the housec ; b the pit-head pulley ; k the cage which lifts thefolding boards of the hatchway, and then, allowingthem to drop, rests upon them. The car is then runout upon the track /, its load dumped upon thescreen </, and received in the wagons h. On the re-turn of the empty car on to the cage, the hatches arelifted by the engine-man by means of the rods iii , 0, D, show the safety apparatus, by which, ifthe hoisting-rope break, the cage is prevented from Fig Hoisting-Machine Si C zthar i [From Harper ) the wooden conductor n. The eccentrics are upon,con- Fig. 2528.
Size: 1467px × 1703px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, booksubjectin, booksubjectmechanicalengineering
