SA Supplements Vol 88 Issue 2275supp

SA Supplements

Volume 88, Issue 2275supp

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Features

Chemistry of Rubber

Development in Our Knowledge of Caoutchouc from Columbus to Our Own Times

S. C. Bradford

Experimental Wireless Telegraphy and Telephony—III

Simple Receiving Apparatus and Elementary Circuits for the Beginner in the Art

Louis Gerard Pacent, Austin C. Lescarboura

The Law of Irreversible Evolution

Critical Notes upon Dollo's Famous Hypothesis

Branislav Petronievi*amp*ccaron;s

Window Glass

Hand and Machine-Made Panes, and the Machines That Make Them

John Oliver LaGorce

Physical Chemistry in the Industries

Some of the General Principles Which Govern Its Application to Manufacturing Processes

James C. Philip

The Lilies of the Field

Beautiful and Striking Wild Lilies of California's Fields

Francis M. Fultz

An Artificial Fertilizer

Studies on the Influence of Fluorides* on Plants

A. Gautier, P. Clausmann

A New Alloy, Constitution of the Sun's Nucleus and Atmosphere, and more

Nomographic Charts for the Aerial Propeller