horter adopt the system already in successful operation in looped together at the Exchange and a continuous flow lines the inside diameter is 2, inches, and on the Philadelphia, and to this end the Batcheller Pneu- of air was maintained by a compressor at one end and longer lines 8 inches. The… … 9.-THE BEACH AUTOMATIC POSTAL DELIVERY BOX. measuring 41g feet wide by 4 feet high, for a set of lines running from the general post office the straight portion being of cast iron and the bends same year as that of Berlin. Here a novel feature was of brick. It was operated by a fan, which forced to…
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