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Features

The Business End of the American Newspaper

By A. H. Siegfried

The New Labor Exchange at Paris

How to Prevent Hay Fever

By Alexander Rixa

The Source of Chinese Ginger

Floating Elevator and Spoil Distributor

A Railway through the Andes

Improved Cold Iron Saw

The Empress of India

Chicago as a Seaport

N.F. Burnham and his Life Work

By W. H. Burnham

The Telegraphic Communication between Great Britain, Europe, America, and the East

By George Walter Niven

Alternate Current Condensers

Electricity in Transitu—From Plenum to Vacuum

By William Crookes

Gaseous Illuminants

By Vivian B. Lewes

Stereoscopic Projections

The Effect on Fowls of Nitrogenous and Carbonaceous Rations

A Humorous Health Officer

Useful Engineering Books

Herbaceous Grafting

Building Plans and Specifications

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    Patents- March 28, 1891

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March 28, 1891

Beyond XX and XY

Biology. Identity. Equality.