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Scientific American, Vol. 34, No. 15 (April 1876) (1876)

leaf 4

An illustration from Scientific American, Vol. 34, No. 15 (April 1876), 1876, leaf 4
al required.—Paper Trade Journal. being for the year 1875. This book, of 475 pages, exhibits apron. A, below the seat closes the vault,compelling the gases m <»» » annual reports from the United States Signal Stations in to pass out by the ventilator flue, B. A tube, C, attached to A NEW GARDEN… … This operation is scarcely necessary if the transparency piston, I. When this balanced valve or flap, passes through the apron, tightly fit- should have been reinforced with acid silver, and is only re- piston is drawn back, ted by packing. Anybody cognizant of the present unwhole- quired to be…

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