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Scientific American, Vol. 43, No. 12 (1880) (1880)
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the American Exchange and Review thinks, the favorite pre- to simplify them that they can be easily repaired or dupli- 50,000 1b. of butter, selling at from 15 to 20 centsa pound. sumptions become much overdone. Defective flue is the cated and be interchangeable. This invention of the French… … the greatest simplicity and efficiency igs harrow, one of the sections is allowed to Fig. 1.-THE BRYER ROCK DRILL. © 1880 SCIENTIFIC AMERICAN, INCInternet Archive · Public domain (published before 1931). Free to use for anything.
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