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The Pollution of New York Harbor

Relation of the Gas Producer to Low-Grade Fuels

More Daylight for Recreation

Good Work in the Rainy Season at Panama

A New Process for the Manufacture of Copper Wire

Immortality of Micro-Organisms

Some Home-Made Weather Instruments

By S. Leonard Bastin

Irrigation of the Yuma Valley

By Day Allen Willey

Erecting the Construction Footways of the Manhattan Bridge

The Work of a Nebraska Cyclone

Elevator for Raising Ore Concentrates

Patent Department

Improved Sluice Box

Non-Refillable Bottle

Improved Lock for Cars


  • Departments

    The Heavens in August

  • Correspondence

  • Index of Inventions

  • Recently Patented Inventions

  • New Books, Etc.

  • Notes and Queries

  • Patents

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August 01, 1908

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