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Scientific American Magazine Vol 80 Issue 5

Scientific American Magazine

Volume 80, Issue 5

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Features

Copyright of Photographs

Prof. Dewar's Experiment with Liquid Hydrogen

The Fourth Annual Cycle and Automobile Exhibition

Our Import Trade for 1898

Wine Stored Underground

The Verdict in the Tank Collapse Case

Philippine Architecture

A Water-Feeding Device for Grinding-Wheels

An Improved Steam-Boiler

A New Way of Constructing Drawbridges

The Hoadley-Knight Compressed Air Motor

Investigations at the Keely Laboratory

The New Panama Canal

Glass Sponges

Charles Frederick Holder

An Insect Breeding in Crude Petroleum

L. O. Howard

Departments

The Heavens in February 1899

Correspondence - February 4, 1899

Recently Patented Inventions

Business and Personal - February 4, 1899

Index of Inventions - February 4, 1899

Notes and Queries - February 4, 1899

Patents - February 4, 1899