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Features

The Latest Maxim Machine Gun

Attack and Defense of New York

Designs for Defense.

By Colonel Bucknill

H. M. S. Magicienne and Marathon

Montrichard'S Valveless Pump

Railway Surveys—Camp and Field Life on the Union Pacific

By C. H. Middleton

Pontoon and Floating Docks

A Portable Electric Lamp

Electro-Dynamic Rotation by Means of Alternating Currents

A New Influence Machine

The Electric Spider

Theory of Telephone Conductors

General Boulanger

Sir Charles Bright

Oil Filter for Gas Engines

The Illuminating and Explosive Power of Naphtha Gas

Chlorophyl and Gelatine-Bromide Plates

By Fred. E. Ives

Simple Devices for Cutting out Lantern Slide Mats

By Jos. P. Beach

Telephony—A Statue for the New Postal Building at Lucerne

Drawing, a Means of Education

By T. R. Ablett

The Paralyses

By J. T. O*amp*apos;Connor

Colletia

Bamboos

A Chinese Report on the Condition of Chinese Emigrants Abroad

Useful Engineering Books

Separation of Uranium from Alkaline Earths and Alkalies

By A. Remele

Building Plans and Specifications

A New Catalogue of Valuable Papers

Departments

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    Patents - July 7, 1888

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July 07, 1888

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