Patents and Standard Articles. AGENCY OF ABOVE WANTED. JOHN.H. UPWAR D S NEW ILLUSTRATED CATALOGUE 140 16 German St. Baltimore Md. AIR COMPRESSORS ShLESMENe425-agptErtarci NEW ROAD LOCOMOTIVES BY Sixth and Chestnut Stn. Philadelphia Pa. FORCE OF WIND. HOW TO ESTIMATE RAPID ADDITION! Wonderful Invention. WILLIAM MINNS. Batavia Genesee Co. N.V. MECHANICAL DRAWINGBY PROF. 1 3 4 6 8 9 12 14 16 18 20 22 24 26 Can I Obtain a Patent? DUC'S IMPROVED ELEVATOR BUCKET. ADVERTISER PATENT MINERAL WOOL. A. 1). ELBERS FAIL T MONEY BIG BEST FOR ALL PURPOSES. THE TECHNOLOGY OF THE PAPER HENDERSON'S EVERYTHING WILBRAHAM BROS. CODY' PAT. SHAFT OILERS, scientific american, 1878-02-09
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