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1900.] MARINE REVIEW. 31 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 STEAM ECONOMY in the Country. MARINE FORMULA NO. 5, For the WATERS of the FIVE LAKES, To prevent pitting, 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 or not. When inChicago call and inspect our Laboratories. Analyzers of Everything. E. P. GOULD, Representing Marine Department, WM. H. EDGAR, President. Makers of Boiler Compounds. DEARBORN DRUG & CHEMICAL WORKS, 177? Eine ind Analytical CHICAGO OFFICES: 29, 30, 31, 32 and 33 Rialto Building. Telephone, Harrison, 1373. WORKS: 23, 25, 27 and 29 La Salle Street. Telephone No. {130 South. 28 GRAIG SHIP BUILDING CO. aS TOLEDO, OHIO, €y6 METAL 2 WOODEN SHIP BUILDERS. >. New Dry Dock--450 feet tong, 110 feet wide on top, C35. 55 feet wide on bottom, {6 feet of Water on Sill. "KX Repairs to Metal and Wooden Ships ¢ A SPECIALTY. , wit | BENDING ROLLS. Marine Boilers. >» KINGSFORD FOUNDRY AND MACHINE WORKS, OSWEGO, N. V. FFF tt Ft Ft ++ t+ ++ 4+ +++ +++ +++ 4+++4+44 +++ ++ +44 + + +++ R. D. WOOD & CO. Boo Chestildt Street, These rolls will bend plate to a complete PHILADELPHIA, PA. circle. The outer bearing of upper roll is hinged, Hydraulic Riveters, Shears, the roll being supported independently, so that Intensifiers, Presses, Valves, plates bent to a complete circle are easily re- Lifts, Etc. 9 2 2 2% 2 ® moved, Producer Plants with Bildt Feed for operating Gas En- gines, and for Metallurgical + and other uses. THE otarce toam castines, + | Glaveland Punch & Shear Works Co, AND WATER APPLIANCES. Write for Prices and Capacities. CLEVELAND, O., U. S. A. ho $444 44444444444 444444 HHH HHH HSH SY $+4444444444+444444+44 444444444444 444444444444 444-4 Mar. 15, 1900.