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56 MARINE REVIEW KLINGER REFLEX WATER GAUGES. The Klinger gauge, illustrated herewith, is a very novel but equally practical device for indicating the level of water in boilers and reservoirs, which Messrs. Wm. T. Bonner & Co., Boston, are furnishing for many of the ships in the United States navy and for merchant ships and large stationary plants. These gauges are capable of withstanding very high pres- sures, as the glasses are enclosed in such a way that even if they should break, a very rare occurrence, the effect would be not worse than an ordinary leak, and very little inconvenience and no danger would result. _ The novel feature of the Klinger glass is the extreme contrast of color shown for steam and water, the latter appearing black as ink while the steam space shines cf «with a silvery lustre. This feature | alone is of great importance on board ship, where the stoker or water tender often has many sudden demands upon his attention and an uncertain water j level is liable to be misinterpreted with af more or less disastrous results. The larger of the accompanying cuts faithfully represents the contrast of color between the water and steam, this effect being obtained by the prismatic grooving of the inner surface of the observation glass c, as shown in smaller cut. This glass is clamped tightly between the back trough-shaped plate a, forming the steam and water chamber f, and the front cover plate b. The prismatic grooving of the glass tends to reflect the rays of light until water enters the chamber f, filling the grooves and ren- dering the glass transparent. The black background of chamber f then becomes plainly visible. The Klinger reflex water gauges and Wiltbonco mountings have already been supplied for quite a number of the tor- pedo destroyers, cruisers and battleships of the United States navy, and are also being quite generally adopted in. the large power stations throughout the country. In a page advertisement in this issue Messrs. Wm. T. Bonner & Co. illustrate some additional types of gauges and = WM. T. BONNER & CO.) sei eater Klinger Gauge, single-lever type. The " Messageries Maritimes" Company Subject to U. S. Government, Lloyds, Railroad and [Jan. 2t, mountings, and for those who may require special mountings for any kind of _ service, the manufacturers will gladly supply drawings, specifications and other information. Printed matter of a very interesting kind regarding these gauges may be had for the asking. The Boston address of the company is 53 State street and the New York office 141 Broad- Cross section of gauge. way. = ' Mr. George S. Potter of Buffalo announces that the law firm of Potter & Wright having been dissolved, he has removed his law office to 35-36 Dun building, 110 Pearl street, and has formed a co-partnership with Mr. Meredith Potter for the general prac- tice of the law, under the firm style of Potter & Potter. Mr. George S. Potter was for many years a member of the well-known firm of Williams & Potter, marine lawyers, in Buffalo. Since the death of Mr. Williams, some six years ago, Mr. Potter has been the senior member of the firm of Potter & Wright, which being dissolved on Jan. 1, 1904, he formed a partnership with his son Meredith, taking up offices in the Dun building, as noted. A new steamer for the excursion traffic between Catalina Island and San Pedro, Cal., is being built by the United Engineer- ing Works, San Francisco. The steamer is to be 185 ft. long, 32 ft. beam and 14 ft. deep. She will be named San Salvador. 'Seaboard Steel Castings" A Guarantee of Quality. Open Hearth Steel Castings of the Highest Grade for Locomotive, General Machinery and Shipbuild- ing Work. Other Highest Requirements. , Seaboard Steel Casting Co., Chester, Pa. BELLEVILLE WATER-TUBE BOILERS NOW IN USE (SEPTEMBER, 1903) On Board Sea-going Vessels, NOT INCLUDING New In- stallations Building or Erecting. French Navy - = He : English Royal Navy - Maman Russian Imperial Navy -- - : ' Japanese Imperial Navy - ' Austrian Imperial Navy -_ : : Italian Royal Navy - - . Chilian Navy - s j ye Argentine Navy - " i Chemins de fer de l'Ouest: (The French Western Railway Co.) Steamships plying between Dieppe and Newhaven - . Total Horse Power of Boilers in Use 355,560 H. P. ter,o0u «* "it 227,500 : -* f2e,700 © - 96,700. .% 13,000 * - 26,500. * ; . : 13,000 " - 87,600 * : 13,500. * 1,850,860 Societe Anonyme des Etablissements Delaunay Belleville CAPITAL: 6,000,000 FRANCS Works and Dock Yards of the Ermitage at Saint-Denis (Seine), France. Telegraphic Address: Belleville, Saint-Denis- SureSeine