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Features

The Paris Exhibition of 1889

The Canadian Pacific Railway

Quadruple Compound Engine

How to Prevent Boiler Explosions

Bags and Bagging

A Quick Stereotyping Process

Risks and Appliances of Flour Mills

By E. W. Arndt

Glazes for Porcelain Ware

How Bank Notes are Made

Practical Method of Transferring and Coloring Photographs on Glass

The Direct Production of Pure Hot Air from Coal

New Apparatus for Filling Balloons

Spectro-Telegraphy

The Voltaic Balance

By G. Gore

The Bitter Waters of Hungary

Hughes' Lecture Lantern

Magnetic Sewage Works—The Acton Main Drainage Works

Researches on the Relations between the Spectra of the Elements of Inorganic Substances and their Physiological Action

By James Blake

Phosphorescence and Ozone

Vitalizing and Devitalizing Oxygen

The French Association in Algeria

Palms in Central Florida

A Model Poultry Farm

A New Catalogue of Valuable Papers

Useful Engineering Books

Building Plans and Specifications

European Coal Mining

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    Patents - August 4, 1888

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August 04, 1888

Beyond XX and XY

Biology. Identity. Equality.