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30 MARINE REVIEW. Dearborn Vegetable Boiler Compounds. SCIENTIFICALLY AND UNIFORMLY MADE. EVER RELIABLE. Most Scientifically equipped, Complete, Handsome and expensively Furnished Laboratories, and the ONLY EXCLUSIVE LABORATORIES ON 5 STEAM ECONOMY in the Country. -- MARINE FORMULA NO. 5, For the WATERS of the FIVE LAKES, To prevent pitti1g, neutralize the oil, stop incrustation, and as a perfect preservative to the iron, boiler, and all its connections--especially prepared for the marine trade of the lakes. If you are using a different water, prepay the express on a gallon jug of your feed water to the DEARBORN LABORATORIES at CHICAGO and receive a copy of analysis of same, with a written diagnosis of your case, and a letter giving you all the valuable information we can, and the actual cost of what it will require to clean your boilers and keep them clean. All of this will be done free of charge, and optional with you whether you order [July 25, or not. When in Chicago call and inspect our Laboratories. Analyzers of Everything. | Makers of Boiler Compounds. DEARBORN DRUG & CHEMICAL WORKS CHICAGO OFFICES: 29, 30, 31, 32 and 33 Rialto Building. Telephone, Harrison, 1373. CRAIG SHIP BUILDING CO, Wnt. H. EDGAR, President. Manufacturing and Analyti Chemists. ee WORKS: 23, 25, 27 and 29 La Salle Street. Telephone No. 1130 South. TOLEDO, OHIO, METAL 2 WOODEN SHIP BUILDERS. New Dry Dock---450 feet fong, 110 feet wide on top, 55 feet wide on bottom, 16 feet of Water on Sill. Repairs to Metal and Wooden Ships A SPECIALTY. Marine Boilers. Gentrifugal Pumping Machinery for all Purposes. Kingsford Foundry and Machine Works, OSWECO, N. Y. SHEFFE FFT + FF t+ FFF tt 4+ t+ Ft tH ttt ttt EFT est ts t+ soos R. D. WOOD & CO. 400 Chestnut Street, PHILADELPHIA, PA. Hydraulic Riveters, Shears, Intensifiers, Presses, Valves, Lifts, Etc. 9 2 8 & 8 8 Producer Plants with Bildt Feed for operating Gas En- gines, and for Metallurgical and other uses. LARGE LOAM CASTINGS, _SUGAR HOUSE WORK, GAS AND WATER APPLIANCES. ZEEE HALAEEE Hdd 4 O4444444444444444444444 44444 Chas. P. Willard & F. C. WALTER, Manager. 45-49 $. Canal St., CHICAGO, © BUILDERS OF Marine Engines and Boilers, Paddle Wheel Engines, Boat Machinery, High Pressure, Compound and Triple Expansion Engines, Yachts and Launches, WRITE FOR CATALOGUE. WE ARE THE INVENTORS OF THE -- CAULKING MALLETS NOW USED IN ALL THE SHIP YARDS OF THE WORLD. Specialties : Boiler Makers' Mauls, Stone Cutters' Mallets, Hawsing Beetles, and all kinds of Mallets. Illustrated Catalogue and Price List upon application. N.Y. MALLET & HANDLE WORKS, iy iW ll i a i i al i) Established 1845. i i i 454 E. Houston Street, NEW YORK, U. S. A. BARGAINS IN BOOKS. AS LEADERS IN OUR BOOK TRADE WE WILL ALLOW FOR A SHORT PERIOD A DISCOUNT OF 25 PER CENT ON THE FOLLOWING BOOKS. LISTED. ON PAGE 35 OF THIS ISSUE OF THE REVIEW: A Handbook of Engineering Practice--Smart. Modern Examinations of Steam Engineers--Wakeman. | Elementary Naval Tactics--Bainbridge-Hoff. Steam Boilers--Peabody & Miller. Practical Marine Surveying--Phelps. THE MARINE REVIEW PUB. CO., CLEVELAND, O.