. Scientific American Volume 91 Number 04 (July 1904) . st rather fanciful. This geyser is not the only one to be seen in the vi-cinity. Others may be mentioned, such as the Pohutu,Wairoa, Feather, Papakura/ and others, besides mudvolcanoes. THE GREAT ROTORUA GEYSER OFNEW ZEALAND. BY JAMES A. WARNOCK. Yellowstone Park is reputed tohave the most magnificent geysersin the world; but their reputationis based upon the statements oftravelers who have never been toNew Zealand, and who know noth-ing of its natural wonders. Leaving Auckland by a fast ex-press train, a journey of eighthours brings one
. Scientific American Volume 91 Number 04 (July 1904) . st rather fanciful. This geyser is not the only one to be seen in the vi-cinity. Others may be mentioned, such as the Pohutu,Wairoa, Feather, Papakura/ and others, besides mudvolcanoes. THE GREAT ROTORUA GEYSER OFNEW ZEALAND. BY JAMES A. WARNOCK. Yellowstone Park is reputed tohave the most magnificent geysersin the world; but their reputationis based upon the statements oftravelers who have never been toNew Zealand, and who know noth-ing of its natural wonders. Leaving Auckland by a fast ex-press train, a journey of eighthours brings one to Rotorua, wheremay be seen the most splendid gey-ser which is probably to be foundanywhere in the world. To give onesome idea of the magnitude of thegeyser, I need mention only theheight of some of the surroundingobjects. On the extreme left of thepicture herewith reproduced, overthe Inferno Crater (which con-tains a seething lake of water) is asmall shelter shed, 450 feet abovethe plain. The surface of the waterin the geyser basin, when at rest, is. A Saw-Proof Bar. Perry D. Zeigler has invented a bar which cannot besawed or cut through, for use in connection with pris-on-cells, windows or doors, and safety-vaults. In carrying out his invention he takes a metallicbar of any suitable material, preferably iron or steel,and in the bar adjacent to its corners he provides longi-tudinal apertures. In the case of a round bar a num-ber of apertures adjacent to its periphery are provided,and, if desired, as an extra precaution one or moreholes may be present. The bar having been formed asdescribed, molten glass or the like is poured into theapertures. After this has cooled, the inventor claimsit would be impossible to saw through the bar, for thereason that the saw would not cut the glass, and onlya partial fracture of the bar could beobtained. Breaking of Staybolts. Staybolts break more frequentlyin bad-water districts than in thosedistricts where the water is freerfrom incrustating
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