SA Supplements

December 1888

Volume 26, Issue 675supp

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Features

The Admiralty Experiment Tank at Gosport

H. M. S. Hero

The Submarine Torpedo of Peral

Photographic Notes

H. W. Vogel

Plate Edge Planing Machine

Dredging by Suction

A Public Swimming Bath at Reims

The New Hofburg Theater in Vienna

Electricity as Applied to Mining

Frank Brain

A Simple Switch and Commutator for Battery Use

Improvements in Dyeing, Tissue Printing, and Bleaching during the Second Half of 1887

Paul Julius

Oleomargarine in Great Britain

On the Influence of Sulphur upon Eggertz's Carbon Color Test

T. W. Hogg

Millimetres and Equivalents in Inches

Geo. R. Henderson

Spectrum Analysis and Optical Physics

Solutions of Caustic Soda as Transmitters of Heat

Apatite Mining in Canada

The Heroult Aluminum Process

Alloys

W. Chandler Roberts-Austen

On the Causes of Variation in Organic Forms

C. V. Riley

The Chulpas or Tombs of Umaya

The Serpent Mound Park

The Muir Glacier, Alaska

J. W. Chickering