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acetylene gas advantage AIDS apparatus atmospheres attached automatic buoy automatic gas buoy bell bottom burners Canadian government capacity carbide charge carbonization carrying central changes channel closed combined gas Commerce and Labor Comparative compression compressor condition connection construction containing cost Courtenay cylinders deck designed desired diaphragm difficulty drier establish exhibited feed feet fitted flames flotation chamber foot formed gas and whistling gas lantern grate head holder holes inches in diameter increased installed lamp lens light Light-House Board light-ship mantle manufacture navigation obtained occulting Office oil gas one-fourth one-half operated passes pilot Pintsch gas pipe placed plant plate pounds Prescott present pressure prints produced purifier reducing require Scout shore stations shown side signal standard stations steel submarine tender tested tips tube United valve stem vessel Washington whistling buoy Willson
Page 14 - The carbide rests on a cast steel grating, below which is a diaphragm of steel with an eight-inch opening, closed by a valve operated by a valve stem which passes through a tube in the carbide chamber, then through the cast steel head of the same, and is operated from the deck of the buoy. The bottom of the generating tube is open to the water, and the top is closed by a steel casting containing the purifier and carbide door for filling the buoy. The buoys are filled with carbide before placing,...
Page 18 - , ,~ '•,- ',' '. '•'• 3. The elimination of compression and the fact that automatic buoys may be recharged from a boat, if necessary, permits the installation of gas buoys in isolated positions where their use was not practicable before.
Page 14 - T closed. The valve is opened, admitting water to the charge, and the air blown out of the generating tube through a small plug provided, and out of the gas lantern in the usual way, after which the buoy is lighted. The...