Machinery and processes of the industrial arts, and apparatus of the exact sciences (1869)
Barnard, Frederick A. P. (Frederick Augustus Porter), 1809-1889 · Washington, Govt. print. off. · leaf 121
ired in this operation, the uncrystallized form is pre-ferred, as presenting no natural cleavages. The mineral is sold byweight, its cost being proportioned to the weight simply, and not to the 104 PARIS UNIVERSAL EXPOSITION. square of the weight, as is the case with the precious diamonds. Thecost… … LJ Perrets Water-engine. ferrets water-engine coque s engine. 105 rotation, being pressed in the meantime firmly against the rock byhydraulic pressure applied through a second independent cylinder andpiston. The experiments which have been made with this perforatorgive results which promise…
Machinery · Scientific apparatus and instruments
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
