COMPETITION. SCHOOL HOUSES. At Albany N. Y. STATE OF NEW YORK DEPARTMENT OF PUBLIC INSTRUCTION SUPERINTENDENT'S OFFICE SCIENTIFIC BOOK CATALOGUE RECENTLY PUBLISHED. 361 Broadway New York. g DESIGNS. ROCK DRILLS AIR COMPRESSORS BOILERS HOISTS AND GENERAL MINING MACHINERY. Bead for Illuatrated Catalogue. CARDS ', scientific american, 1887-11-19
COMPETITION. SCHOOL HOUSES. At Albany N. Y. STATE OF NEW YORK DEPARTMENT OF PUBLIC INSTRUCTION SUPERINTENDENT'S OFFICE SCIENTIFIC BOOK CATALOGUE RECENTLY PUBLISHED. 361 Broadway New York. g DESIGNS. ROCK DRILLS AIR COMPRESSORS BOILERS HOISTS AND GENERAL MINING MACHINERY. Bead for Illuatrated Catalogue. CARDS ', scientific american, 1887-11-19
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