neering. the lower tank, E, from whence it is pumped up again by the hand pump, F. The cool air enters through the pipe G, Fig. —————_~2 oe ___ EDITORIAL CORRESPONDENCE. 1, and passes in the direction of the arrows through the wet gauze, where it is cooled, through the receptacle, and out of… … Fig. 3 more particularly represents an adaptation of this I remarked that the Paris of ancient time was rapidly device to the dairy or buttery. It is readily understood with- passing away. If the visitor goes to the cathedral of St. rangement prevents the upper portion or bonnet from being out…
Internet Archive · Public domain (published before 1931). Free to use for anything.
