SA Supplements

August 1894

Volume 38, Issue 972supp

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Features

M. Casimir-Perier, President of France

On Color Photography

J. Joly

Recent Progress in Astronomical Photography

A. Taylor

The Manufacture of Smokeless Powder

Oscar Guttmann

Steamer for Pressed Hay

American Bells

The Lucania and the Campania

Spray Tanning

P. F. Reinsch

Rope Bridges and their Military Applications

H. M. S. Ferret

The Relation of the Drawing Office to the Shop in Manufacturing

A. W. Robinson

The Havemeyers

The uses of Photography in Medicine

Andrew Pringle

Chicago

Cave Explorers Buried for Eight Days

Rain Making

Fernando Sanford

The Boise Basin in Idaho

J. B. Hastings

The Composition of Atmospheres which Extinguish Flame

Frank Clowes

Acid Fermentation in Tanning Liquors

Impurities in Snow

Manufacture of Cocaine

Alfred Einhorn, Richard Willstatter

Apparatus for Distilling and Sterilizing Water

J. Nagel