Congressional Serial SetU.S. Government Printing Office, 1852 |
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29th Congress Alan Stevenson annum appendix Argand burners Argand lamps beacons brilliancy buoys burners Cape Henry Captain catadioptric catoptric collector color colza Congress construction cost diameter dioptric dioptric light distance duties economy effect elevation employed engineer equal erected estimate feet fitted fixed lights flashes floating lights France Fresnel furnished gallons glass horizon illuminating apparatus important improvements inches inspection instructions island keepers lamps and reflectors lantern lens apparatus lenses lenticular letter light-boats light-house board light-house establishment light-keepers light-ship light-vessels mariner mechanical lamp miles mode moorings nautical miles Navesink navigation navy necessary night officers order lens light painted parabolic reflectors placed port present proper reflector lights repairs respectfully revolving light Sandy Hook Sankaty Head Sankaty Head light sea-coast lights Secretary seen ship shoal spermaceti spherical reflectors superintendent of lights supplies third order tion tower Treasury Trinity House United ventilation vessels weather wicks York