having easily shown in the position of the machine, as taken, all defects in the window or door to which it is ap- petitioned for the extension of a patent for an im- are provided for feeding the tool over the work. It provement in cast-iron car wheels, granted him on plied, by presenting to the… … cranks of any length of stroke, and rollers in spinning machines, it is shifted sideways or upward to suit ordered that said claim be heard at circumstances. It has been suggest- the Patent Office, Washington, ed after years of attention to, and April 25, 1864. All interested are experience with,…
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