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Features

Modern Microscopical Optics

The Limitations of the Microscope

By C. Metz

Scaling Mountain Peaks by Elevator

Aerial Ropeways for the Tourist. By the English Correspondent of the Scientific American

The Literature of Microscopical Optics

Dimensions and Muscular Power of Animals

Preliminary Report to the Inventors' Guild—II

The Guild's Relation to Patent Practise

By F. L. O. Wadsworth

Methods of Fire Prevention

Excellent Work Done by the British Authorities

How to make an Electroscope

A Comparatively Easy Task When You Know the Way

By Charles E. Benham

Ocean Temperatures along the West Coast of North America

Absorption of Light in Space

Is there an Absorbing Medium in Interstellar Space

By Edward S. King

Eyesight and Typography

The Morane-Saulnier Monoplane

The Holder of the Height Record-17,880 Feet

By John Jay Ide

A Mechanical Ice Saw

Electricity and Chemical Action

Chemical Action at a Distance

By Harry C. Jones

A Mathematical Nut for the Year 1913

The Effect of Distilled Water on the Animal Economy

Procryptic Coloration a Protection against Lions

By R. I. Pocock

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March 15, 1913

Think Outside the Gift Box