y. Action of heat on alu- Scientific American Supplement. minum. Corrodibility, mechanical properties, strength, conductivity, practical hints, aluminum alloys. Con- JENKINS STANDARD PACKING! GRAND PRIZE tained in SCIENTIFIC AMERICAN SUPPLEMENT, No. 750. Price 10 cents. To be had at this office and… … them is done with special care and promptness, on very have won tor it the Largest Circulation of any Catalogue free. reasonable terms. Geo W. Polk. A new and valuable paper. containing Architectural publication in the world. Sold by all GEO. P. CLARK, A pamphlet sent free of charge, on…
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