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SA Supplements Vol 17 Issue 437supp

SA Supplements

Volume 17, Issue 437supp

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Features

Bange's Artillery System

II.—Siege and Fortress Guns

Planetary Wheel-Trains

C. W. Maccord

Proposed Suez Ship Rail Way

Profiling Machine

Auber's Tubular Boiler with Movable Fire-Box

Notes on Pharmaceutical Apparatus

Charles Symes

Lawrence's Capillary Coolers

Retort and Condenser

The Great Discoveries in Electricity

The Play of the Needle

History of the Electric Telegraph

The Drawbaugh Telephones

The Source of Atmospheric Electricity

How to make an Incubator

Prof. Heyer on Comets

Submarine Explorations

The Six Gateways of Knowledge

William Thomson

Two useful Problems

Departments

Patents - May 17, 1884