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Features

A New Kind of Ferry Boat

Railway Car Ferries Between Germany and Sweden

By F. C. Coleman

The Future of the Submarine

Some Practical Difficulties

A Successful Marine Producer-Gas Plant

A Brief Account of the “Marenging

An Ounce of Rust Prevention

Methods of Wood Preservation

Imitation Arms and Armor.—II

How to Make them at Home

By A. Roze

Old and New Rome

Some Recent Archeological Discoveries

Medical Fees in Olden Times

The Electrical Properties of Flames

A Summary of Prof. Wilson's Studies

Ants and Bees as Pets

A Curious Hobby for Amateurs

By Percy Collins

Artificial Cyclopism

Studies of Electricity and Matter

A Resume Of Recent Investigation

By J. J. Thomson

The Automatic Telephone

The Girl-Less Central Office

By Snowden B. Redfield

Pickering's Lunar and Solar Photometric Researches

Hocus Pocus Mutterings

Some Old Conjurers' Formulae and Magic Utterances

By Arthur Watson

Electrical Notes

Trade Notes and Formulæ

Engineering Notes

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    Why Do Facts Fail?

    Why Do Facts Fail?

    Deconstructing Denial