r and shreds of wool. A solid cylinder of water, 18x8 using small toothed wheels, and three bevel wheels to re- inches, contained in a vertical copper vessel, provided with tained the dish is a stew or a boil; if it be allowed to escape verse the direction. The grinder is shown in Fig. 3, and is a… … the middle of the vessel, and thence up- operation proceeds, finer emery must be ward an angle of about 60°, by which used, and the sphere tried from time to arrangement the whole of the rays re- ADAMS' SOLAR COOKING APPARATUS. time in a ring gauge of the required size. flected from the silvered…
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