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SA Supplements Vol 23 Issue 596supp

SA Supplements

Volume 23, Issue 596supp

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Features

Business Profits

The Loss of the Channel Steamer Victoria

Houdin's Magic Ball

The Problem of the Matches

A Trick with Dice

The New Uniform for the French Infantry

The Similarity of the Phenomena of the Nervous Sleep, Hypnotism, Spiritualism, to the Physiological Action of Cannabis Indica or Hashish

A. L. Hodgdon

Acuteness of Hearing

Climate in its Relation to Health

Lecture III.—Continued

G. V. Poore

The Modern Marine Engine and Boiler

The Archimedean Screw Pump

Alimentary Value of Albuminous Substances

New Tunnel under the Thames River, London

Improved Methods of Heating Railway Trains

II.The Twofold Method-Continuous or Independent

C.Powell Karr

Notes on the Panama Canal

R. Nelson Boyd

A 100 Horse Power Secondary Battery

An Equatorial Zone of Almost Perpetual Electrical Discharge

Apparatus for Testing Lightning Conductors

Zigang's Electric Trumpet

Perron's Photographic Apparatus

M.Jouanne's Double Projection Photometer

The Autographometer

A Grist Mill of 1819

Alaska Gold

Going into the Poultry Business

P. H. Jacobs

Building Plans and Specifications

Soil Temperatures

D. P. Penhallow