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 . mile. Rediers hnrograph aHords a means of determiningwhether or no a prescribed rate of speed, measuredby the number of revolutions of the driving-wheel,has been maintained. Another French invention records on a sheet ofpaper, once a minute and at the end of every kilom-eter, tlie speed and the distance traveled, aii<l alsothe time of arrival and diiiation of
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 . mile. Rediers hnrograph aHords a means of determiningwhether or no a prescribed rate of speed, measuredby the number of revolutions of the driving-wheel,has been maintained. Another French invention records on a sheet ofpaper, once a minute and at the end of every kilom-eter, tlie speed and the distance traveled, aii<l alsothe time of arrival and diiiation of stoppage at eachstation. Railway-sweeper. (Slrccl-Railway Engineer-Vis. iiirt<ii-tiuuwuy Sweeper* RAILWAY-SWITCH. 1871 EAIN-GAGE. ing.) Stationary spliut-brooms at the fore part of theengine are commonly used for cle iring small obstruc-tions from tire track. Kotary brushes are also 4141 is of this kind. It is hxed on a diagonalshaft and rotated by gear connection with the means of the screw Q, levers L M, and connect-ing-rods R S, it be lifted out of gear and clearof the track when desired. Fig. 4142 is a plan view, which shows the relationof the brush-cylinders to the bed and the wheels.
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Keywords: ., bookcentury1800, booksubjectin, booksubjectmechanicalengineering
