Scientific American Magazine Vol 99 Issue 19

Scientific American Magazine

Volume 99, Issue 19

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Features

Detection of Carbon Monoxide in the Air

A Precaution against Water Famine

The Fallacy of Artificial Food

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

J. F. Springer

Some Commercial Uses of the Glass-Sponges

L. Lodian

A Guide for Drilling Horizontal Holes

Handy Man's Workshop

Old Glue Pot as a Metal Pot and Ladle

A. V. Searing Jr.

A Painter's Platform Bracket

Starting Device for Siphons

Substitutes for a Pipe Wrench

J. A. Bergstrom

Screw-Slotting Attachment for Lathes

H. D. Chapman

Rag Carpet Needle

A Stereoscope for Single Photographs

Gustave Michaud

Home-Made Vacuum Cleaner

W. J. C.

Departments

Correspondence

Notes and Queries

Recently Patented Inventions

New Books, Etc.

Index of Inventions