valuable cast iron was 23,257 Ibs. on the inch: the transverse his estate. The principal feature of the invention is the improvements, I send the following brief account of the strength of 564 specimens was 7,102; while the crush- connection of the jaws without the use of a fulcrum pin. method and… … allowed to cool very slowly, the carbon is re-converted the washer lapping over the edge into graphite, and the iron becomes soft. Repeated of the jaw, c, and the screw entering the jaw, d. melting, then quick cooling, and horizontal casting, im- The patent for this invention was issued March 29,…
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