Hardening Temper Forging of Steel By JOSEPH V. WOODWORTH tions. Price $2.50 postpaid The American Steel Worker By E. R. MARKHAM Size 5).1 x8 inches. 367 pages. 163 illustra tions. Price $2.50 postpaid MUNN & COMPANY Publishers CONCRETE HOUSES Cost Less Than Wood THE PETTYJOHN CO. 615 N. Sixth Street Terre Haute Ind. How to Construct An Independent Interrupter Wireless Telegraph Outfit.' FISHERMEN The FREEPORT HOOK will CATCH FISH MACHINES WILLIAMS BROS. Ithaca N. Y. Write for Prof. Charles Munter's NULIFE BOOK Breathe Yourself Back to Health FREE ON REQUEST Men. Women and PROF. CHARLES MONTER No. 13-15 W. 34t1t SI. New York COLLAR. Waterproofed Linen Collars cost Mt.00 Collars 25c. Cuffs 50c. THE FIBERLOID COMPANY of the Crescent Wood Working Machinery THE CRESCENT MACHINE CO. THE HOPKINS & ALLEN TRIPLE ACTION 'It With Walnut Grip Not a Guess Write for our new 1909 Gun Guide and Cata log. It shows the most inclusive line of high-grade low price fire-arms made—re volvers rifles and shotguns. Send for your copy of this catalog TO-DAY. It's free. THE HOPKINS & ALLEN ARMS CO. Blued - $10.00 Automobile Trouble AND A CURE DUNN MACHINERY CO. Atlanta Ga. GILSON ENGINE For Pumping Cream chines etc. FBEE TRIAL Ask for catalog-all sizes Please mention the SCIENTIFIC AMERICAN when writing to advertisers, -1909-06-19
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Hardening Temper Forging, Steel, JOSEPH V, WOODWORTH tions, Price $2.50 postpaid, American Steel Worker, E, R, MARKHAM Size 5, .1 x8 inches, 367 pages, 163 illustra tions, Price $2.50 postpaid MUNN & COMPANY Publishers CONCRETE HOUSES C, Wood, PETTYJOHN CO, 615 N, Sixth Street Terre Haute Ind, Construct, Independent Interrupter Wireless Telegraph Outfit.' FISHERMEN, FREEPORT HOOK will CATCH FISH MACHINES WILLIAMS BROS, Ithaca N, Y, Write, Prof, Charles Munter' NULIFE BOOK Breathe Yourself Back, Health FREE, REQUEST Men, Women, PROF, CHARLES MONTER No, 13-15 W, 34t1t SI, New York COLLAR, Waterproofed Linen Collars cost Mt.00 Collars 25c, Cuffs 50c, FIBERLOID COMPANY, Crescent Wood Working Machinery, CRESCENT MACHINE CO, HOPKINS & ALLEN TRIPLE ACTION ', Walnut Grip, Guess Write, our new 1909 Gun Guide, Cata log, inclusive line, high-grade low price fire-arms —re volvers rifles, shotguns, Send, your copy, catalog -DAY, ' free, HOPKINS & ALLEN ARMS CO, Blued - $10.00 Automobile Trouble, CURE DUNN MACHINERY CO, Atlanta Ga, GILSON ENGINE, Pumping Cream chines etc, FBEE TRIAL Ask, catalog- sizes Please mention, SCIENTIFIC AMERICAN, writing, advertisers, -1909-06-19, science, scientific, sciences, mind, health, tech, sustainability, publication, lab, sciam, sa, scientist, research, american, experiment, education, discovery, technology, analysis, magazine, u.s., insights, developments, weekly, broadsheet, inventor, innovation, inventions, patented, industrial revolution, emerging, trends, monthly magazine, united states, engravings, curious works, paper, discover, Scientific Paper, Weekly Journal, Practical Information, Art, Science, Mechanics, Chemistry, Manufactures, research, education, scientist, innovation, 19th century, vintage, america, Rufus M. Porter, 1845, journal, academic, newspaper illustrations, retro style, old-fashioned, media illustrations, victorian style, news, newspaperheadline, 19th century style, illustration, journalism
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