hine which will probably work a revolution in the dry- induction valves; J J, the eduction valves, and K, the safety valve. The pumps are mounted on a small cistern, pressing of printed sheets. It is in practical use in the Government Printing Office at Washington, and in the State which contains… … could be if they were placed from two upon the writing on the gelatine and to six or more between fuller or glazed rub the back with the hand. From JONES’ PRESSING MACHINE—FRONT. boards and subjected to great pres- forty to fifty can thus be drawn off in sure. It will be readily seen that by afew…
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