ition to the city, about 7 on Fig. 1; in fact, there are several channels across the great distance of the channel from the shore made it miles, and further study and experiment, led to the necessary to adopt some system of floating lights. entrance bar, used according to their depth. Nearly very… … Fig. 2.-ELECTRIC LIGHT BUOYS IN NEW YORK HARBOR. show clearly the new system. The spar buoys are moderate draught use the South and Swash channels, tem of electrically lighted spar buoys was determined juniper wood 50 feet long, held in place by mushroom as these are by far more direct than by the…
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.
