ssure by the links J to the top lever K. To this lever is hung the rod L, on which in the cylinder, necessary to compress are placed the weights M, for ascertain- the spring, which varies with the exten- ing the test loads ; the total leverage sion of the test bar. being 160 to 1. The top edge of… … the test bar B being placed on the knife moved along by a cord passing over the edges C ; a clip £>, with an internal fixed pulley O, and a small hand wheel knife edge, rests on the center of the and pulley P. The weight of the levers bar, and is attached to the cross head of is counterbalanced by…
Engineering
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
