Skip to main content

Features

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

To Inventors

Departments

  • Departments

    Correspondence

  • Recently Patented Inventions

  • New Books and Publications

  • Notes and Queries

  • Index of Inventions

  • Business and Personal

Purchase To Read More

Already purchased this issue? Sign In to Access
Select Format
Scroll To Top

Dwindling Supply. Increasing Demand.

Dwindling Supply. Increasing Demand.

Solving the Water Crisis