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Features

The “Dreadnought” Competition

The Hudson-Fulton Celebration

Economic Loss Through the Mosquito

Wilbur Wright's Flights in Italy

Engineering

Science

Electricity

Demolition of the Facade of the Old B. & P. Rr. Terminal, Boston

By William L. Hill

Experiments in Ingot Casting

By J. F. S. Springer

Glass Industry of the United States

The Pearl Fishery of Ceylon

AN INDUSTRY OVER 3,000 YEARS OLD. BY OUR ENGLISH CORRESPONDENT.

A House-to-House Mirror System

Handy Man's Workshop

Tools for the Workshop.--I

By I. G. Bayley

Milk Testing without Apparatus

By Gustave Michaud

Some Interesting Models

Departments

  • Departments

    Notes and Queries

  • Recently Patented Inventions

  • New Books, Etc.

  • Patents

  • Index of Inventions

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April 24, 1909

Complex Causes. Alternative Solutions.