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May, 1917 THE MARINE REVIEW 19 —inside information for valve users. Self-cooling hand-wheel The ee" LUNKENHEIMER tum | Renewo Valve” “Stem-Bronze”’ from its very inception has been so far ahead of every other valve of this type as to be in a class by itself. It incorporates improve- Sal and deep Stufing ™Ments, which, though simple, enhance its durability and make it Box, packed for Service. practically indestructible. The seat and disc—the parts subjected to the most wear, have Shoulder on stem forms _regrinding seating surfaces; they are made of a High Nickel alloy team tight seat under * : ° sae 3 Satie Bor for se having exceptional wearing qualities, and to further enhance their packing. durability the disc is provided with the well-known Lunkenheimer ExtraLongAcmeThread | S€at-guard” which materially aids in preserving the seating sur- Full contact at every faces and keeping them clean. Besides, both the seat and the disc aero? of opening. can easily be renewed. ae ae The other parts are in keeping with the well-known high action of steam. Forms standard of design, material and workmanship which character- puter for Teer naing: izes all Lunkenheimer products. et sets once Your local dealer can furnish them; if not, write us. Qewseating surfaces. Disc | Write for Booklet 535—FH erica Flow areas in excess of : THE LUNKENHEIMER co. pipe areas. rusia “QUALITY” : Largest Manufacturers of High Grade Engineering ict mere Specialties in the World hae ad Lunkenheimer CINCINN ATI ae New York Chicago Boston London 1—13—68 HNN ‘Every Ship Should Use This Ladder.’’ Captain W.L.G very Ship Should Use I his Ladder. aptain W.L.U. GENTLEMEN: The Jacob’s Ladder furnished the steamer Castalia has proven very satisfactory. The Master Capt. W. L. Girardin, reports that these ladders should be installed on all the boats as they are very efficient and much safer than the old style rope ladder. THE BROWN STEAMSHIP CO., Cleveland. Eighteen fleets sailing the Great Lakes are now carry- ing as a part of their regular equipment McArthur Jacob’s Ladders. Transatlantic vessels of the highest type are equipped with McArthur Jacob’s Ladders. Just recently a well known French line ordered Mc- Arthur Jacob’s Ladders to be sent at once to equip their ships. Every detail in the construction of these ladders’ has been worked out to produce strength, lightness, portability and efficiency. The cable of these ladders is of plow steel, com- bining lightness with great strength. ‘The steps are of galvanized or sherardized sheet iron, with 2 two-tooth 4 prongs giving a firm foothold. (See illustration.) The hooks are of sherardized stamped sheet metal. McArthur Ladders can be compactly rolled up when not in use. They are sold in sections of any desired length. These sections may be instantly con- nected by means of snap hooks, adapting the ladder to light or loaded condition of ships. Write us for full particulars. McArthur Portable Fire Escape & Jacob’s Ladder Co. CLEVELAND, OHIO The McArthur Jacob’s Ladder is patented and all infringements upon it will be prosecuted. Please mention THE Marine Review when writing to Advertisers