more uniform motion is obtained by with tar and shredsof wool. A solid cylinder of water, 18x8 using small toothed wheels, and three bevel wheels to re- tained the dish is a stew or a boil; if it be allowed to escape inches, contained in a vertical copper vessel, provided with the food is baked.… … 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-glass will fall on For precise work the finishing is done the lower half. Besides cooking food, I with disks covered…
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![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer01inte-295-121.webp)
