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Features

A Talk with Wilbur Wright

The Spectrum of Mars

Some Photochemical Reactions

The New British “Dreadnoughts” and “Inflexibles.”

Aeronautics

Electricity

Science

The First German Monoplane to Make Successful Flights

The Aviation Meet at Berlin and Latham's Flight Across the City

A Simplified Method of Teaching Experimental Physics

By Jacques Boyer

Saturn and His Rings

By Frederio R. Honey

Result of a Lightning Stroke

The Number of Our Ancestors

Aerial Warfare in 1798

“Inflexible” and “Connecticut” Compared

The Height of Mount Rainier

Why Not a Monument to Fitch?

The Highest Human Ascent

The Scientific American at Jericho

The Latest Submarines of the United Sates Navy

An All Seeing Eye for the Submarine

Col. John Jacob Astor's Novel Steamship Chair

Alternating Current Experiments

By Frederick E. Ward

Handy Man's Workshop

An Easily Constructed Equatorial Mount for Small Telescopes

By R. W. Wood

Mending a Broken Metallic Filament

By Howard W. Nichols

Device for Removing Wood Screws

By James Paterson

The Handy Man's Sub-Caliber Gun

By August Mencken

A Device for Emptying a Tub

By C. W. Fairbank

A Simple Fruit Cellar

By F. A. Kaiser

How to Make a Paper Telescope Barrel

By C. R. M'gahey

Restoring a Dry Cell

By Edward M. Hanson

Departments

  • Departments

    Correspondence

  • New Books, Etc.

  • Notes and Queries

  • Recently Patented Inventions

  • Patents

  • Index of Inventions

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October 23, 1909