- WATCHMAN’S IMPROVED D. B. HARMONY, Acting Secretary of the Navy. construction. Views of the two fastest ice-suiling boats logue free. Mention SCIEN- y TIFIC AMERICAN. used On the Hudson river in winter. By H. A. Horsfall, TIME DETECTOR, M.E. Contained in SCIENTIFIC AMERICAN SUPPLE- Two-Horse… … P. O. Box 2002. 77 Chambers Street, New York. A PRACTICAL, SUCUESS. VAN DUZEN’S PAT. LOOSE PULLEY O{LER. CUTLER’S ICE-HOUSE AND REFRIGERATOR. BIB B’S Celebrated Original Thousands in satisfactory every- Directions and Dimensions for construction, with one day use. Entire reliability and con- BA…
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