*,>££ iKD^. SSI ■eiifii Tzr<^^>^-r (jij^y-3 [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. ("98.30 per Annum. NEW YORK, DECEMBER 13, 1884. Vol. LI.-No. 24.1 L (postage… … nuts on the screw spindle. The elevation of the of cartridges used. For instance, if cartridges have barrel is altered by turning the haud wheel on tbe Kg. 3. been made for some time, a trifling amount of moist- strut, stretching from the stand to the rear of the ure may have accumulated in the…
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