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 . razor,and is intended as a substitute for the strop. Razor-strop. An implement for sharpening ra-zors or other thin-edged tools. It usually h:is ahandle and a case for receiring it when not in kinds have but two abrading surfaces, —that towhich the razor is first applied, consisting of leatherthinly coated with fine emery-powder ; and the sec-ond, by wh
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 . razor,and is intended as a substitute for the strop. Razor-strop. An implement for sharpening ra-zors or other thin-edged tools. It usually h:is ahandle and a case for receiring it when not in kinds have but two abrading surfaces, —that towhich the razor is first applied, consisting of leatherthinly coated with fine emery-powder ; and the sec-ond, by which keenness of edge is finally imparted,of leather alone. Othere have four sides, coated re-spectively with a hard composition and with leatherof different degrees of fineness, to which the razor issuccessively applied. Barbers keep their razors in order after being onceset by rubbing on a leathern strap suspended by oneend, and held by the other. Reach. 1. (Vehicle.) A pole connecting therear axle to the bolster of a road-wagon. A coupling-pole. Some modem carriages have none, the bed or bodyperforming that duty. A reach for a certain description of city wagon isshown in Fig. 4190. It is arched in front, so that Fig. VTason-Reach. the fore wheels may pass under it, enabling the ve-hicle to be turned in a .shorter space. The circularsway-bar is extended, so as to support the reachwhen turned in any position. 2. (Hydraulic Enginecriiig.) That portion of acanal between two locks having a uniform called a po7td. Locks, lifl% inclines, slides, orshiices connect reaches of different levels. Re-actdon Water-wlieel. A wheel to whicha rotary motion is imparted by the action of streamsof water issuing tangentially from its sides under the Fig 4191. pressure of a head of water entering it from principle, which is that of recoil, is eml od-ied in Barkers mill and in the turbine. It differsin nothing from Heros ^olipile, excejit that in thelatter steam under
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