er, C, which is itself fastened to an extensive scale, by machinery, has been establish- work for accuracy and rapidity. Another machine is employed for putting on double soles with copper ed at No. 23 Park Row, this city (Messrs. Burt & the main frame of the card ; it will be seen that as… … foot. These boot-trees invention was patented on 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. manufacture of these articles…
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