1891-09-12: A New Folding Bridge, Chicago1891-09-19: Improving the Potamic Flats. Washingron D, C1891-09-26: The Great Railway Tunnel Under the 'st. Clair River, Between the United States And Canada.1891-10-03: A Mammoth Grapple Dredge At Work in the East River, Near Tenth Street, New York1891-10-10: A Fast Trio - the Torpedo Boat Cushing, the Norwood, And the Vamoose1891-10-17: The Broadway Cable Railway, New York,1891-10-24: Transportation of Grain in the United States, the Armour Elevator1891-10-31: Gigantic Passenger Elevator of the North Hudson Couty Railroad, Weehawken, N.J. Across From New York1891-11-07: The American Pork Industry Hog Killing At the Chicago Stock Yards1891-11-14: A WHALEBACK PASSENGER STEAMER- DESIGNED BY HAROLD AVERY1891-11-21: THE SPONGE FISHERIES OF THE BAHAMAS1891-12-05: The Nadrai Aqueduct, India.1891-12-12: THE ST. CLAlR TUNNEL DRAINAGE SYSTEM.1891-12-19: THE NEW COAST DEFENSE VESSEL MONTEREY BUILT AT SAN FRANCISCO.1891-12-26: TESTING THE PNEUMATIC DISAPPEARING GUN CARRIAGE AT SANDY HOOK
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1891-11-07: The American Pork Industry Hog Killing At the Chicago Stock Yards