with the rear of through a hole in the saw and into a hole in the opposite screws into a crossbai the block or catch. bar, as shown in Pig. 2. These beveled clamping bars are in the body of the pis- inserted in the triangular eyes of bolts whose shanks extend manufacture of Oxygen Gas. ton. In some… … motive engine drives Root blowers, which BENNETT'S SAW FRAME, force air into the retorts; after peroxidation which, when turned one way or the other, will tighten or the oxygen is liberated by heat, and pumped loosen the saw. MILLER'S PUMP PISTON. into the gasometer through an apparatus By means of…
