[Entered at the Post Office of New York. N. Y., as Second Class Matter.] A WEEKLY JOURNAL OF PRACTICAL INFORMATION. ART. SCIENCE, MECHANICS. CHEMISTRY AND MANUFACTURES. r$3.20 per Annum. NEW YORK, FEBRUARY 24, 1883. Vol. XL VIII.—No. 8.1 L [postage prepaid.] [NEW sebies.] … IMPROVED ELEVATORS FOR LOADING SHIPS WITH COAL BALLAST, ETC. maintained of one yard per hour, or twenty-four yards per two figures may be seen how it operates when the loading nearly to the base of the bucket frame, is provided with a day, at which rate the work of excavating ten miles of tun-…
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