SA Supplements

April 1881

Volume 11, Issue 274supp

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Features

Recent Decisions Relating to Patents

The “Brush” System of Electric Lighting

The Brush System of Electric Lighting

Charles F. Brush

The Telephonic Systems of Dr. Cornelius Herz

Count du Moncel

M. Wiedemann's Electric Paper

On an Acoustic Phenomenon Noticed in a Crookes Tube

Charles R. Cross

On Radiophony

E. Mercadier

Roncalli's Melograph

The Microscope and the Atomic Theory

Physical Society, London, Jan. 22, 1881

W. G. Adams

The Various Modes of Transmitting Power to a Distance *

Arthur Achard

The Outridge Engine

Improvements in Gas Engines

The Aerial Railway

The Invention of the Link Motion

On Machines for Producing Cold Air

Japanese in English Type

The Discovery of the Sources of the Niger

Abnormal Entozoa in Man

Samuel Lockwood

On Chicken Cholera: Study of the Conditions of Non-Recidivation and of Some other Characteristics of this Disease

M. L. Pasteur