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Scientific American Magazine Vol 78 Issue 7

Scientific American Magazine

Volume 78, Issue 7

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Features

Growth in Our Exports of American Locomotives

False Economy

The Liquefaction of Air

A Brief Review of Some Branches of the Work, Scientific and Practical, of the Health Department of the City of New York

The Current Supplement

Gun of New Type Successfully Tested

Excavations at Branchid

A Supporting Stand for Bicycles

An Improved Steam Boiler

A Seal and Tag for Railroad Freight Cars

The Fluorometer

The Riverside Drive Viaduct, New York

Medium and Small Independent Refrigerating Plants

Dredging for Gold

Habitual Attitudes of Animals Considered as a Department of Comparative Zoology

J. Carter Beard

To Inventors - February 12, 1898

Departments

Correspondence - February 12, 1898

Recently Patented Inventions

Business and Personal - February 12, 1898

Notes and Queries - February 12, 1898

New Books, Etc. - February 12, 1898

Index of Inventions - February 12, 1898