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The Triple-Screw War Ship Columbia

The Columbia's Performance

Triple-Screw Propulsion

The First Atlantic Screw Steamship

Ball Bearings

Trafalgar, October 21, 1805

Technological Schools: Their Purpose and its Accomplishment

By Robert H. Thurston

Isochromatic Photography

By G. Cramer

The Refining of Petroleum

State and Foreign Buildings at the World's Columbian Exposition

Hagenbeck's Circus

The World's Columbian Exposition

II.—The Liberal Arts—Germany, Austria.,and Japan

By L. P. Gratacap

Underground Electric Railway, London—The City and South London Railway

The Tireless Waltzers

A Color Tint Photometer

Fishing on the Coast of Tonkin

Icebergs in the Southern Ocean

By William Allingham

The Colosseum

Sanitary Motes and Beams

Opening Address by the President

By Albert L. Gihon

Valuation of Leather Glue

By F. Gantter

Oil of Amber

By A. Jolles




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