CATALOGUE OF PHYSICAL INSTRUMENTS 171 HYDRAULIC PRESSES … No. 34-15 No. 34-10 34-10 -HYDRAULIC POWER PRESS, for illustrating the force of a Hydraulic Press. The instrument illustrated is more than a model, in that it may be subjected to very severe tests for breaking strengths. It is built of cast iron, bronze and steel throughout, all parts being…
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
