ther reduc- the largest artificial sheet of ice ever made. One of the tugs from the ends of whiffletrees, and it consists.of a tion for the extraction of the metals. In the new machine, called the ‘‘ Challenge Rock Breaker,” the heavy solid ferrule with projecting arms, in which is pivoted a… … front casting. has patented an improved process of producing collo- BLAKE'S CHALLENGE ROCK BREAKER, OR SECTIONAL These two parts of the machine are connected by the CUSHIONED CRUSHER. dion transfer pictures upon linen or other material, main steel tension rods, R R, each provided with screw which…
Internet Archive · Public domain (published before 1931). Free to use for anything.
