guaranteed; which would have sufficient power to operate a foot write for descriptive catalog. Quarter of a Century is merit is its terseness. The illustrations might lathe or any machiue requiring not over one man pow- er. With [1 figures. Contained in SCIENTIFIC AMER- Motsinger Device Mfg. Co.,… … TUBULAR > Sg Langley. Second Edition. Washing- ton: Published by the Smithsonian DRIVING LAMP. BABBITT METALS.—SIX IMPORTANT 15 CENTS Institution. 1902. Large 4to. Pp. formulas. SCIENTIFIC AMERICAN SUPPLEMENT 1 1 23e IT is the only perfect one. Price 10 cents. For sale by Munn & Co. and all newse…
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