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Scientific American, Vol. 67, No. 20 (1892) (1892)

leaf 13

An illustration from Scientific American, Vol. 67, No. 20 (1892), 1892, leaf 13
e, Vaughan & E Tires. need now toridespringless cycles or de- Valv pend on tires alone for comfort. Sylph NOW READY! — Spring Frame destroys AD Vibratn. Light,sim- “THE EXPERT” DATING STAMP. ple, strong. Cata.free! Uhustrated in Sclentifie Am. Sep. 8rd, p 146, A NEW AND VALUABLE BOOK, Rouse-Duryea… … RESEARCHES AS TO THE PROPER- SIDNEY, OHIO. 12,000 Receipts. 680 Pages. Price $5. ties of Alloys.—By Prof. W. C. Roberts-Austen, F.R.S. An investigation of the effects of small admixtures of This splendid work contains a careful compila- SPECIAL NOTICE! certain elements on the mechanical and…

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