. IV---NO. 15. NEW YORK, APRIL 13, 1861. NEW SERIES. ‘The measuring box vas five feet every way, inside. ‘Wheels at Philadelphia, The apparatus is isometrically represented toa scale water from the models, it being important to main- of one-eighth of an inch to the foot. Engineer, Henry P. M.… … charge valve, and direct the the apparatus into the river, or conducted into the tail water into the measuring box ; when the second measuring box, L, through the spout, K. gearing to the shaft of thedrum, T. Upon this drum tape was passing the some point, another signal was When the discharge…
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