CHUCKS PHOTO ENGRAVING ELECTRICAL MINING APPARATUS OF EVERY DESCRIPTION. SEND FOR ILLUSTRATED CATALOGUE PI 2. IDE AND IDEAL AUTOMATIC ENGINES. WHITMYER PATENT FURNACE. TANDEM AND CROSS COMPOUND ENGINES. BOILERS OF EVERY DESCRIPTION. Manufactured by HARRISBURG FOUNDRY AND MACHINE WORKS Harrisburg Pa. U. S. A. AND ELECTRO- PLATING J. B. COLT n CO .16 Beekma Str es Turk. A NEW LIGHT HERCULES DRILL CHUCK, scientific american, 1892-04-02
CHUCKS PHOTO ENGRAVING ELECTRICAL MINING APPARATUS OF EVERY DESCRIPTION. SEND FOR ILLUSTRATED CATALOGUE PI 2. IDE AND IDEAL AUTOMATIC ENGINES. WHITMYER PATENT FURNACE. TANDEM AND CROSS COMPOUND ENGINES. BOILERS OF EVERY DESCRIPTION. Manufactured by HARRISBURG FOUNDRY AND MACHINE WORKS Harrisburg Pa. U. S. A. AND ELECTRO- PLATING J. B. COLT n CO .16 Beekma Str es Turk. A NEW LIGHT HERCULES DRILL CHUCK, scientific american, 1892-04-02
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