Maritime History of the Great Lakes

Marine Review (Cleveland, OH), 1 Nov 1906, p. 13

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"TAE Marine. REVIEW LUNKENHEIMER WHISTLES Made in Large Variety. A Produce that clear, harmonious, far-reach- ing sound heard every- where. Guaranteed to give perfect \ Satisfaction. : If your local dealer cannot furnish them, notify us. The Lunkenheimer Company Largest Manufacturers of High- Grade Engineering Specialties in the world. General Offices Cincinnati, Ohio, U.S. A. _ NEW YORK, 66-68 FULTON ST. Branches: | oNDON, S. E., 35 GREAT DOVER ST. We also manutacture a complete line of Iron and Brass Valves, Water Columns, Injectors, Oil and Grease Cups, Lubricators, Cocks, etc. oM_UR, JUST PUBLISHED A CONPLETE @LASS-BOOK OF Naval Architecture PRACTICAL--LAYING OFF--THEORETICAL By W.J. LOVETT LECTURER ON NAVAL ARCHITECTURE AT THE BELFAST MUNICIPAL TECH- : NICAL INSTITUTE 8vo. with numerous illustrations and almost 200 fully worked-out answers to recent Board of Edu- cation examination questions, with 26 pages of ruled paper at end for Notes. and References. CONTENTS CHAPTER 1. IX Ridden Horse ccues - Pia. Mathematics. pellers. JI. xX Areas and Centres of Gravity. Curves-- Coefficients--A pproxi- Ill mations. Displacement and Centres of XI. Buoyancy. Laying Off. ON. XIL Weights and Stowages. Lloyd's and British Corpora- V tions. Statical Stability. XIII. VI Lloyd's Rules and B. C. Rules. Gravity--Trim Launching, XIV. VII The Ship in Detail. Strength. aa HE ae VIIL oard o} ucation Examina- tion Particulars. INDEX. FOR NOTES. Tonnage--Freeboard--Corro- sion and Fouling. ' Order From THE MARINE REVIEW, Cleveland JS, Automatic Injector 100% st. Efficiency Read this condensed report by R. M. Thurs- ton, Prof. Engineer- ing, Cornell University and then you will know why the U. 5S. Automatic Injector is endorsed by the U.S. Government and by over 200,000 engineers. ~*'In regard to the economy of the U.S. Injector, that instrument shows an effi- ciency of 100 per cent. and is ideally per- fect because no steam is wasted and all the heat not employed in the thermo- dynamic operation of forcing water into the boiler is saved by being returned to the boiler from which it is issued. There is absolutely no waste. . . . ." (Signed) R. M. Thurston, Professor Engineering, Cornell University. Engineers' Red Book Free. Send for a copy of this brief compendium of valuable information for engineers. Also contains detailed description of the U. S. Automatic Injector. American Injector Co., DETROIT, U.S. A. Penberthy Automatic In- jector hits the bull's-eye in the approvalj of the World's engineers in these essentia points which makethe perfect injector--Reliability, Sim- plicity, Durability. The Penberthy " Engineer and Fire- man," a 32-page magazine for engineers, sent three months free on request. Write for it and our illustrated catalog for engineers, li eae LER TY Ys Penberthy Injector Co. Sa bpasgort Mane tacree . Holden Ave., \ 4 Detroit, Mich. U.S. A. Our ABIL re Made in Canada by The Penberthy Injector Co, Ltd., Windsor, Ont. 13

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