ORTHELL, G.E., D.SC. one small cable only. The size of the direct current nelway. The direct range light on shore is 13 miles The most unique system of electric lights to guide cables was 1% inches, that of the new single cable T'08tj distant. It was generally necessary for steamers to navigation… … Fig. 3.-0IL RESERVOIR AND REGULATOR-FISH OIL LANTERN. and its necessity may be appreciated, a general map of The entrance was therefore practically closed at night the new system ten lights ; by the former the channel New York Harbor (Fig. 1) is given and referred to for to deep draught vessels. It…
Patents · Apparatus · Wire · Gas · Munn · Scientific American · Kite · Gas engine · Foreign Countries · Horse power · Top carriage · York harbor · Postal union · Candle power · Patent office · Sprout house
Internet Archive · Public domain (published before 1931). Free to use for anything.