ethod which was new to suddenly fall into the cavity from which the water has us, and which was very satisfactory. Into a glas¢ extracted the salt. The brine currents, on their way to tube of about four or five millimeters internal diame- the pumping centers, form deep valleys or troughs, ter a… … —American Journal of Science. . Fig. 3.-DETAILS OF A NAILING MACHINE. Fig. 1—MACHINE FOR PRINTING ON WOOD, a Subsidence of the Earth over Salt Mines. addition to its being printed with an indelible ink, the simile of these hollows. The property on the sloping Mr. Thomas Ward read a paper before the…
Internet Archive · Public domain (published before 1931). Free to use for anything.