MARINE REVIEW. 17 LakE ERIE Borer Works, Burra.o, N. Y. THE BEST EQUIPPED PLANT IN AMERICA For THE MANUFACTURE OF OPERN TP OTLERS. FIRST-CLASS INSTRUMENTS Te of APPROVED DESIGN, t BEST MATERIAL and WORKMANSHIP. CE Gey a ae Bat eter = ihe cy piety ent cee" oe POLAR PLANIMETER. © ALKINS'S STEAM-ENGINE INDICATOR. Performance Cuaranteed--NO CO, NO PAY. LOWEST PRICES pieaetor 3g, Or Complete Outfit Planimeter, : ; Pantograph, $5, with 2 Springs, ; Extra Spring, $2 __ OFFERED ; Three-Way Cock, $5, $40. NEPTUNE METER CO., mistem'engine indicato's, 408-409-410 Temple Court Bldg., NEW YORK CITY EVER AN EXCELLENT LIBRARY FOR A MARINE ENGINEER, CHEAP---KEY TO ENGINEERING; WHAT AN ENGINEER SHOULD KNOW ABOUT ELEC- TRICITY ; ENGINEERS' CATECHISM. ANY ONE OF THESE ARE WORTH A DOLLAR, BUT ALL THREE CAN BE HAD FOR $1. SEND TO THE MA- RINE REVIEW, 516 PERRY-PAYNE BUILDING, CLEVELAND, 0. MONEY REFUNDED IF NOT SATISFATORY. A copy of the color etching of the steamer Gratwick mailed to any address for 20 cents. | MARINE REVIEW, Cleveland, 0. &J.D.NEGUS Have the largest and finest stock of Nautical Instruments and Charts in the United States. Estimates given for Outfits of Steamers and Pleasure Yachts. Compass Adjusters, Send for Catalogue and Almanac. '<4 i. : Every attention given = to Trade orders. THE BUFFALO AUTOMATIC. Operated entirely A GRADING INJECTOR. by One The movement of the steam and water valves and their relative positions are such that the supply of mae will always be in proportion to the sup- : ae er bly of steam admitted to anh 4, the jets. CAN BE GRADED jj to run continuously on any steam presssure from 20 to " 140 lbs. Operated entirely by one handle, both in stop- ping and starting, as well Handle. Ge : ie as in grading the supply of steam and water. cay "4°74 Hagle Ejectors, Duplex Tube Scrapers, Cyl. No Valves required oo) f inder Oi] Pumps Improved Glass Oil Cups and Lub- in either St gui. "La ricators, Compression Grease Cups, Improved Ball In either steam > = Gauge Cocks, and other Steam Users' Specialties. for Suction Pip es. I Send for Catalogue, mentioning this paper. SHERWOOD MPG. CO,, (iits.) BUFFALO, Y, Y. epee IVA eS ee ..4AND TELEPHONE... By NORMAN HUCHES. With the aid of this work.any One can put up and work a tele- phone. Fully illustrated. Mailed post paid on RECEIPT OF $1.00. SPON & CHAMBERLAIN, 12 Cortlandt St., N. Y. No master trading to Lake Superior should be without a chart of the north shore. We have them for sale at $1 each. 200 BOUCK AVENUE, - - - - - Try the new NEGUS LOG. Best in the World. "The most perfect feed water heater and purifier we ever saw.'--R. HAMMOND. IN PRACTICAL USE ON 25 LAKE STEAMERS. Every Purifier Warranted to Remove all Sediment or Scale-Forming Substance. ROBERT LEARMONTE cane, BUFFALO, N.Y. RELTESREWwoses. A.--Settling chamber. B.--Boiler. C.--Feed pipe to boiler. D.--Steam pipe. E.--Water supply pipe. F.--Check valve. G.--Spray disks. H.--Spray chamber. I,.--Equalizing tube. J.--Blow-off pipe. K.--Automatic shut-off valve. L.--Division plate. M.--Deflector and separator.