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The World's Columbian Exposition--The Babcock & Wilcox Boiler Plant

New Inventions for Street Cleaning Wanted in New York City

The New Congressional Library Building

Notes From the Worlds Columbian Exposition Chicago 1893

A New Bicycle Gear

A Novel Support for Velocipede Saddles

Duplex Lathe for Cranks

A Photographic Flash Light Apparatus

Recording Time of Employees

The “Duplex” Slide Rule

A Combined Pitchfork and Band Cutter

A Gas Lighter or Extinguisher

Coal Conveyer at Weehawken, N. J

Brooding Snakes

The Race of Stilt Walkers at Bordeaux

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August 12, 1893

Of Shamrocks and Science

Happy St. Patrick’s Day