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The Gun

The Hiram Maxim Gun

The Mersey Tunnel Railway

Bull Rock Lighthouse, South Coast of Ireland

Notes on Explosives

By C. Napier Hake


Screws at the Paris Exhibition

Machine for Decorticating Ramie

On M. H. Hertz's Experiments

By M. Joubert

A Summary of the Difference between Positive and Negative Electricity

Public Experiments in Eleotricity

The Effect of Light on Matter

By W. De W. Abney

Colloidal Cellulose

The Nature of Solutions

By S. U. Pickering

Pasteurization of Fermentable Liquids

The Isle of Wight

The Mysterious Watch

Two American Institutions

I.—The Smithsonian Institution

Spontaneous Human Combustion

By G. Archie Stockwell

Building Plans and Specifications

Poisoning by Cotton Dyed with Lead Chromate

By T. H. Weyl

Useful Engineering Books


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October 05, 1889

Confronting Common Wisdom