SA Supplements

October 1882

Volume 14, Issue 354supp

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Features

Electric Lighting by Batteries

Hand Dynamo Machines

The Electric Lighting of the Comptoir D'Escompte (Paris)

Telegraphing without Wires

Recent Progress in Telephony

William Henry Preece

On Electric Meters

C. Vernon Boys

The Thickness of Wire Necessary to Carry Different Electric Currents without Overheating

G. Forbes

Wartmann's Rheolyzer

A Projecting Phenakisticope

Hydraulic Organs

The Forth Bridge

B. Baker

Trial of a Folding Boat

On a New System of Hydraulic Propulsion

J. H. Selwyn

Bazin's Submarine Excavator

The St. Gothard Tunnel

S. H. M. Byers

Straw Lumber

House at Battle

Raising Gladioli from Seed

Value of the Rye Plant

How to make Straw Roofs

Soils and Root Formation

Formation of the Diamond

A. B. Griffiths

Alumina

Quassiin

A. Christensen

Utilization of Blood

P. Marguerite-Delacharlonny

A Simple Method of Recovering the Silver from Washed Emulsion

Maltose

Modern Theories of Color

A Few Notes on the Larval State of the Pea-Weevil

Thomas H. Hart

New Plastic Compound

Edward Weston