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SA Supplements Vol 8 Issue 187supp

SA Supplements

Volume 8, Issue 187supp

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Features

American Resources and Progress

Self-Regulating Filter

Combs, Gills, and Hackles

Soldering Apparatus

Drying Box for Photo Gelatine Plates

American Engineering—I

Smelting without Fuel

Progress of Marine Steam Engineering

Preparing Metal Sheets and Wire for Coating

Glycerine in Rubber

Comparative Strength of Wood and Iron

Manganese Bronze

German Scientific Credulity

The History of Alizarin and Allied Coloring Matters, and their Production from Coal Tar

W. H. Perkin

Manufacture of Ammonia Salts from Gas Liquor

Notes on Uranine

Ready Method for Preparing Diphenyl

Watson Smith

To Test the Dye of Colored Fabrics

Alizarine Blue

A Speculation on Protoplasm

Persifor Frazer

The Intravenous Injection of Ammonia

Gaspar Griswold

On the Softening of Magnesia-Hard Water

J. Grossmann

Remarkable Fire Caused by Lightning

Recent Explorations in Africa

A California Telephone Concert

The Wild White Cattle of Great Britain

Karl Koch

Historical Sun-Darkenings