of wood screwed | cause dissociation, and theabove explanation cannot mineral] called chrysolite; but in later times a kind of on the top of the piece, A. glass or frit colored with oxide of copper was used, and be the correct one. It seems to me that a portion of Pass the tubes, E EK, through the… … A CARBONIC ACID MOTOR. than half of the liquid contained in the cury, arrests the deposit upon the mirror, re- lower one. Then the change that takes duces the mercurial vapor to an infinitesimal quantity, forms an almost perfect vacuum, and sup- plies an envelope 80 degrees below zero. Thus…
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