Scientific American 1890 to 1899

1891-01-03: EXCAVATING AND PIPE LAYING APPARATUS IN USE ON THE BROOKLYN AQUEDUCT

1891-01-10: THE MALLECO VIADUCT COLLIPULLI CHILI - ARCHES AT NORTH END MALLE CO VIADUCT CHILI

1891-01-17: Explosion of a Locomotive on the New York, New Haven & Hartford Railroad

1891-01-24: Inclined Railroad To the Summit of Pike's Peak

1891-01-31: Progress of Work on the Nicaragua Canal.

1891-02-07: Compound Engines of the Fall River Steamer Puritan- 7,600 Horse Power

1891-02-14: A Petroleum Motor Tricyce To Run Forty Miles with One Gallon of Oil.

1891-02-21: The United States Life Saving Service

1891-02-28: Manufacture of Heavy Guns for United States Navy

1891-03-07: New Fire Boat for New York City - the New Yorker

1891-03-14: Manufacture of Heavy Ordnance At the Washington Navy Yard

1891-03-21: The New Steel Floating Derriok At the Brooklyn Navy Yard

1891-03-28: The Boynton Unicycle And Single-Rail Track Railroad for High Speed Traffic

1891-04-04: Celebration of the Beginning of the Second Century of the American Patent System

1891-04-11: 4/11/1891;The New "Ghost" Express Train Between New York Boston

1891-04-18: Centennial Celebration of the Establishment of the United States Patent System

1891-04-25: The New Line of Battle Ships for the U.s. Navy. the Ship At Sea

1891-05-02: The Manufacture of Bicycles - Works of the Overmam Wheel Co

1891-05-09: Shipment of American Locomotives To Australia

1891-05-16: The Broadway And Seventh Avenue Railroad - Clearing Obstructions From the Lines of the Conduits

1891-05-23: THE PROPOSED HUDSON RIVER SUSPENSION BRIDGE CONNECTING NEW YORK AND HOBOKEN

1891-05-30: THE NEW STEAMSHIP FURST BISMARCK

1891-06-06: 6/6/1891;Great Tower of the City Hall, Philadelphia-Total Height, 547 Feet.<br>The city has a great web site on this at http://www.phila.gov/property/virtualcityhall/home.asp

1891-06-13: The Edison Electric Illuminating Co.'s Station, Brooklyn, N. Y

1891-06-20: EXTENSION OF WATER SUPPLY SYSTEM FOR NEW YORK

1891-06-27: CASTING THE STATUE OF HENRY WARD BEECHER

1891-07-04: WHALEBACK STEEL MERCHANT BARGES.

1891-07-11: THE GREAT DERRICKS OF THE NEW EQUITABLE BUILDING DENVER COL

1891-07-18: DIAMOND CUTTING BY HAND AND MACHINE.

1891-07-25: SMALL EDISON DYNAMO OR MOTOR

1891-08-01: THE UNITED STATES DRILLING SCOW GENERAL NEWTON AT WORK ON DIAMOND REEF NEW YORK HARBOR

1891-08-08: BIRDS EYE VIEW OF NEW WATER SUPPLY OF THE CITY OF NEWARK NEW JERSEY

1891-08-15: Evolutions of the U.s. Squadron And Drill of the New York State Navel Reserve. the Attack on Fisher's Island

1891-08-22: Trials of Magazine Rifles Made By the War Department, At Governor's Island, N, Y

1891-08-29: Steamship Teutonic - Starboard Engine Room, Looking Aft From Stokehold Door

1891-09-05: Hot Air Ballooning, Weehawken, N. J.

1891-09-12: A New Folding Bridge, Chicago

1891-09-19: Improving the Potamic Flats. Washingron D, C

1891-09-26: 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 York

1891-10-10: A Fast Trio - the Torpedo Boat Cushing, the Norwood, And the Vamoose

1891-10-17: The Broadway Cable Railway, New York,

1891-10-24: Transportation of Grain in the United States, the Armour Elevator

1891-10-31: Gigantic Passenger Elevator of the North Hudson Couty Railroad, Weehawken, N.J. Across From New York

1891-11-07: The American Pork Industry Hog Killing At the Chicago Stock Yards

1891-11-14: A WHALEBACK PASSENGER STEAMER- DESIGNED BY HAROLD AVERY

1891-11-21: THE SPONGE FISHERIES OF THE BAHAMAS

1891-12-05: 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