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Features

Naval Programme for 1911

Storage of Coal Under Water

A Word to Aeroplane Builders

The Proposed New Waterway in Canada

Engineering

Electricity

The Bursting of a Water Tank and Its Effect

A Novel French Aeroplane

Some New American Aeroplanes

The Speed of the “Mauretania”

Auroras: Some Recent Theories

Making the Eye of Science

By C. H. Claudy

Excavations at Jericho, Palestine

By Harold J. Shepstone

A Simple Method of Measuring the Speed of Photographic Shutters

A Substitute for Tinfoil in Leyden Jars

By I. J. Kavanaugh

Handy Man's Workshop

Gage for Augers

By L. G. Handy

The Driving of a Nail

By W. D. Graves

Scroll-Saw Guide

By K. Parkhurst and W. Parkhurst

Ways to Brace Poles for Private Telephone Lines

By Thaleon Blake

Departments

  • Departments

    Correspondence

  • Recently Patented Inventions

  • New Books, Etc.

  • Notes and Queries

  • Index of Inventions

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June 05, 1909

Help Us Reforest the Mississippi River Valley