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Features

Machinery for Making Wooden Shoes

On the Manufacture of Jute

By William Fleming

The Largest Sheets of Plate Glass

A New Air Thermometer

Photo-Lithography

Photography and the Industries

By H. W. Vogel

Mechanical Integrator

Physics without Apparatus

Hot-Air Engine of Van Rennes

Compressing Steel

On the Steel-Compressing Arrangements at the Barrow Works

By Alfred Davis

Pelzer's Screw Ventilator

The Agate Quarries of San Luis Obispo

The Ville D'oran and Ville De Bone

Wire Rope Connections

Experiment in Acoustics

Artists' Homes: No. 5—Mr. Champneys' House, Hampstead

The Manufacture of Vinegar by means of Bacteria

By Emmanuel Wurm

Progress of Sugar Adulteration

By T. Angell

Purification of Sewage

Donato Tommasi's Definition of Nascent Hydrogen

The Chemical Reactions of Morphine

Electrolytic Determination of Silver

By H. Fresenius and F. Bergmann

A Profitable Strike

Cubic Capacity of the Skull

Joseph Henry

By A. M. Mayer

Detection of Salicylic Acid in Wine and Fruit Juices

By L. Weigert

Chemistry as an Art and as a Science

By J. M. Ordway

Pyrethrum the Best Insect Killer

The Present Condition of Astronomical Science

By Asaph Hall

Bacterias in the Atmosphere

Jupiter

By G. W. Hough

Parasites in the Muscles in Typhoid Fever

The New Route to Siberia

Alternative Currents and the Electromotive Force of the Electric Arc

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September 25, 1880

Beyond XX and XY

Biology. Identity. Equality.