It should not bo liable to stick in its Fi'al F, are so abrupt that they do not stick, and their movement seat, however unfrequently employed. It should be readily in opening the valve is easily accomplished. and easily repaired, while at the same time it should be so A doublegatevalve 'l (J.… … have been used in that establishment for water, gas, and the spring shall act on the banking pins and yield to the steam, during two years, and that they have proved so satis- second blow of the ruby pin. The valve illustrated in the accompanying engravings, factory that henceforth no others will…
