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Scientific American, Vol. 10, No. 22 (May 1864) (1864)

leaf 7

An illustration from Scientific American, Vol. 10, No. 22 (May 1864), 1864, leaf 7
TJRN'S BRACKET LAMP CHIMNEY. tion, and has invariably a specific gravity of 2-6. sions :— There is not a single instance known to the contrary. First—For rough outside walls—those exposed to It is well known that the ordinary glass chimneys Hence there is reason to believe that the quartz could the… … fired at us from the central portion of the moon's added to about five pounds of calcined and powdered source of continued expense and annoyance to renew disk, it would rush down towards us a short distance, alum-clay. This last mixture having been made into them. The metallic top added to the…

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