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A Precaution against Water Famine

The Fallacy of Artificial Food

Detection of Carbon Monoxide in the Air

Carnegie Meridian Astrometry Expedition

Electricity

Science

Engineering

The Fourth Vanderbilt Cup Automobile Race

A Mammoth Gyratory Stone Crusher

A Paddle Wheel for Gliding Boats

Was This an Aerolite?

Electric Scrubber for Cleaning Ships' Bottoms without Drydocking

By the English Correspondent of the Scientific American

Metallographs, or Photographs of the Structure of Metal Specimens

By J. F. Springer

Some Commercial Uses of the Glass-Sponges

By L. Lodian

A Guide for Drilling Horizontal Holes

Substitutes for a Pipe Wrench

By J. A. Bergstrom

Starting Device for Siphons

Screw-Slotting Attachment for Lathes

By H. D. Chapman

Rag Carpet Needle

Old Glue Pot as a Metal Pot and Ladle

By A. V. Searing Jr.

Handy Man's Workshop

A Painter's Platform Bracket

A Stereoscope for Single Photographs

By Gustave Michaud

Home-Made Vacuum Cleaner

By W. J. C.

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November 07, 1908

See the World from a Different Perspective

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