OF OPTICAL INSTRUMENTS. 



113 



PLIERS. 



1218. LAEGE BEST BOTTLE PLIEES . 



1219. SECOND SIZE 



1220. LAEGE BEST STAGE PLIEES 



1222. SECOND SIZE 



1223. COMMON 



FIG. 1224. 



FIG. 1225. 



FIG. 



FIG. 1229. 



Fm. 1227. 



COMPRESSORS. 



1224. PIPEE'S EEVEESIBLE COMPEESSOB, for high and low powers, and rotating 



disc (fig. 1224) . . . . . . 160 



1225. LEYEB COMPEESSOE, of best construction (fig. 1225) . . 150 



FIG. 1230. 



