466 SEC. 12. APPLIED MECHANICS. 



2226. The Swash Plate. 



2227. Crown Wheel Escapement. 



2228. Simple form of Escapement. 



2229. Recoil Escapement for Clocks. 



2230. Dead-beat Escapement. 



2231. Various forms of Escapement. 



2232. Wheel, with one tooth and locking ring. 



2233. Geneva Stop. 



2234. Model of Recoil Escapement, for throwing an image 

 on a screen by the electric lamp. 



2235. Model of Dead-beat Escapement, for throwing an 

 image on a screen by the electric lamp. 



2236. Striking Movement of a Clock (locking plate). 



2237. Striking Movement with Repeater. 



2238. Model to illustrate Compensation Balance Wheel 

 of Chronometer. 



2239. Model of Wheel and Axle. 



2240. Pulley Block. 



2241. Disc and Roller Motion. 



2242. Two forms of Screw Thread. 



2243. Two Models to show the principle of Counting 

 Machines. 



2244. Counting Machine. 



2245. Model to show Reversing Motion of the Table in 

 Whitworth's Planing Machine. 



2246. Model of Double Rack and Fin Wheel. 



2247. Model of Cams in combination, taken from a 

 machine for shaping plugs for bullets. 



2248. Cam to Write the letters R.I. (Cowper's Model). 



2249. Worm Barrel. 



