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18 MARINE REVIEW. Anchors for Lake Service. Probably not a half dozen of the modern steel freight steamers on the lakes have anything but stockless anchors. When first introduced their utility was at once recognized for the requirements of the lake trade. The greatest advantage was through being able to cast anchor in a min- ate. If anything goes wrong with the steamer's machinery in the rivers, there is no need of drifting ashore or into some boat following close, if the steamer is fitted with stockless anchors. Some steamers have an ar- rangement by which the chain may be tripped from the deck and less then two minutes is required to get the anchor out. This is very desir- able sometimes, especially in the Sault river. When first introduced on the lakes they were imported from England and the price and incon- venience in getting them here were objections, but not sufficient to pre- vent their adoption. During the last fewseasons an American anchor has come into use on the lakes and ought to be found on every new ship turned out this winter. Some shipbuilders have objected tHat a larger hawse-pipe is required for the American anchor, but this has been rem- edied and all other objections overcome. It is no doubt the best anchor of the kind, for two reasons. One isthe mechanical construction, which makes it impossible for the shank to become detatched from the flukes, and the other is its grappling and holding ability. Some stockless anchors slip and depend on the shank pin alone for overcoming the strain, but if the pin in the Dunn anchor should break or pull out the NORTHERN STEAMSHIP CO. GREAT NORTHERN RAILWAY LINE. MR. CHARLES H. DALE, PRESIDENT PEERLESS RUBBER MFG. Co., NEw York CITY. DEAR SIR: On board Steamship North Land, September 12, shank and flukes would remain intact. The form of flukes is different from any other stockless anchor and insures the grappling of both flukes. The Zenith City and the Victory, the two largest steamers on the lakes, are fitted with Dunn anchors, as is shown by the illustration on page 17, and the manuer of stowing in the hawse pipe is shown by an illustration herewith. The Dunn patent stockless anchor is composed of only three parts, a combined crown and flukes, a shank and a steel pin connecting the two. The combined crown and flukes revolve on the pin at the shank head, and is so constructed that the enlarged shank head can not draw out if the pin breaks. Under no condition, therefore, can the anchor separate and allow the ship to go adrift. Thisisa vital point of weak- ness existing in every patent anchor made except Dunn's. The en- larged shank head working against the round shoulders inside the crown prevents any such accident in the Dunn anchor, and even in the event of the pin falling out while the anchor is in service, the anchor will still work and perform its requisite function. When this anchor is "let go" from the ship it "bites" as soon as the slightest strain is brought to bear upon the chain, owing to the shape and weight of the crown, irrespective of the position in which it strikes. Both flukes engage at once, thus securing a tremendous holding service. This enables ships using the Dunn anchor to carry lighter anchors than those of the old type. Having no stock, and both flukes engaged, it can never foul the chain, nor is it possible for the ship in shoal water to ground on her own anchor. The shape of the entire anchor is such that assures the customer a positive guarantee against fouling. All the lines are curved and there are no angular places for thechain to foul. Its simplicity and few parts invariably insure its working, great durability andcheapness. There is ab- solutely nothing to get out of order and it will stand the roughest usage. The Dunn stockless anchor is designed, and all parts are made equally strong. The tensile strength of the steel castings are guaranteed 65,000 pounds per square inch, with an elongation of twenty per cent. in eight inches. Test pieces one inch square must bend cold 90° overa radius of not more than one and one-half inches, The chemical analysis to which the metal in these castings is tested must not show more than .06 per cent. of phosphorus. The shank is steel. The Dunn's stockless anchors are in use on the following vessels in the United States Navy: U.S. Steamers Newark, San Francisco, Phila- delphia, Baltimore, Concord, Bennington; the battle-ships Indiana, Iowa, Massachusetts, and the armed cruisers Brooklyn and Minneapolis, also the torpedo boats and many vessels of the merchant marine, both in deep sea and lake service. 1895. ~I have used Rainbow Packing for steam and hot water pressures of 266 lbs. and 500 to 600 Ibs. respectively, and find it superior to all others. and found that they would not hold. only packing for all high pressures in the market to-day. Before using Rainbow Packing I tried various other packings, including corrugated copper, I therefore tried Rainbow Packing and can cheerfully recommend it as being the Respectfully yours, HENRY J. REYNOLDS, Chief Engineer Steamship North Land. RAINBOW --~-- Is the only Packing in the World that will Successfully hold High Pressures. ____ Beware of Imitations. MANUFACTURED EXCLUSIVELY BY The Peerless Rubber Manufacturing Co, 970 Old Colony Bidg., CHICAGO. 16 Warren Street, NEW YORK.