The Cape Cod Canal

The Copyright Act

Fact and Fancy in Aeronautics

Science

Engineering

The Fourth Dimension Simply Explained

The Cotton Industry of the United States

The “Michigan”--Our First “Dreadnought”

A Museum to Illustrate the Development of Mathematics

A Huge Filtered Water Reservoir for London

BY THE ENGLISH CORRESPONDENT OF THE SCIENTIFIC AMERICAN.

A Good Substitute for Leather Belting

Handy Man's Surveying Instrument

A Home-Made Spray Outfit

How to Mend Garden Hose

To Install a Motor in a Small Boat