by machinery, has been establish- carried by the hanger, 0, which is itself fastened to work for accuracy and rapidity. Another machine is ed at No. 23 Park Row, this city (Messrs. Burt & employed for putting on double soles with copper the main frame of the card ; it will be seen that as the fiber… … foot. These boot-trees invention was patented on O'BRIEN'S IMPROVED CARDING MACHINE are altogether superior to Oct. 6, 1863, through the days since, and will describe them as briefly as pos- the clumsy old wedge kind. The materials used in the Scientific American Patent Agency, by Lawrence sible.…
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