En savoir PAR MAIL. L'INGÉNIERIE ÉCOLES CORRESPONDANCE F. W. Ewald Gen. Mgr. 166 Fifth Avenue New York chaque genre d'outil pour la vapeur du gaz et de l'eau forme. Chaque outil a été notre principale les fabricants d'outils pour cinquante ans WALWORTH MFC. CO. 20 OLIVER STREET BOSTON MASS. 23 Rillii !un pot Pompe à eau qui a été l'expérience de l'une des plus grandes usines sidérurgiques dans la région de New York la première fois qu'ils ont essayé ' Daniel de parfait de la garniture.' (P. P. P.) ils ont essayé deux autres grandes marques-un a duré un mois theother un six semaines. un P. consommation amélioré et il est tout aussi bon sur l'eau froide ou
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LEARN BY MAIL. ENGINEERING THE UNITED CORRESPONDENCE SCHOOLS F. W. Ewald Gen. Mgr. 166 Fifth Avenue New York Every kind of Tool for Steam Gas and Water Fitters. Every Tool has our been the Lead ing Tool Manufacturers for Fifty Years WALWORTH MFC. CO. 20 OLIVER STREET BOSTON MASS. 23 Rillii!A Pot Water Pump That was the experience of one of the largest Steel Plants in Pennsylvania the first time they tried ' Daniel's Perfect Piston Packing.' (P. P. P.) They tried two other leading makes-one lasted a month theother one six weeks. a P. power consuming wedge and it's just as good on cold water or steam. It's the only scien tifically constructed packing. 409 Market St. Philadelphia Pa. MIETZ & WEISS ENGINE. 128-132 Mott St. New York. HOISTING ENGINES ORDINARY RATES. Inside Page each insertion. - 75 cents a line Back Page each insertion 91.00 a line SENECA FALLS MFG. COMPANY OOD 01[REIRL WORKERS DORIVIAN'S VULCANIZERS THE J. F. W. DORMAN CO. Tool Grinder W. F. & PIO. BARNES CO. 1999 Ruby St. Rockford ill. HIGH GRADE Wgga. MACHINERY Single Machines or Com plete Equipments for Any Class of Work. J. A. FAY 8r. CO. 10-30 John St. CINCINNATI OHI A FIRM GRIP EgolycnN4 Ce WEIGHING MACHINES The Pratt tk Whitney Co. AUTOMATIC M Skinner Combination Lathe Chuck BAYO NNE CITY. N.J. Kneading and Mixing Machines WERNER & PFLEIDERER ANYONE INTERESTED AGRICULTURAL EPITOMIST. 'Universal' ' WOLVERINE' GAS & GASOLINE ENGINES STATIONARY AND MARINE. WOLVERINE MOTOR WORKS. 12 Huron St. Grand Rapids Mich. The Queen Acme No. 5 Microscope NEW MODEL AS PER CUT. QUEEN & CO. INC. Oster Pat. Adjustable Stocks & Dies THE OSTER MFG. CO. 85 Prospect Ave. Cleveland Ohi U.S.A. Machines Cash and Bundle Carriers Display Fixtures. Inventions Perfected Manufactured =-: and Placed on the Market. Portable Extension 'Junket ' Booths and Cabinets. DON'T LOSE THE AMERICAN RING CO. Box P. Waterbury Conn. GAS-ENGINE & BRANCH I2EXCHANGEPLAC . NEWORLEANSLA. fence against poverty than technical knowl edge that can al
