SA Supplements Vol 42 Issue 1070supp

SA Supplements

Volume 42, Issue 1070supp

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Features

The Training of the Monkey

The British Museum

Semitic Antiquities

E.Maunde Thompson

The Romans in Africa

The Influence of Atmospheric and Oceanic Currents upon Terrestrial Latitudes

A Subsidence Due to Quicksand, at Brux, in Bohemia

American Coal Production

Science and Engineering

Thomas Curtis Clarke

Wegener's Powdered Fuel Boiler Furnace and Apparatus

Salvage Pump for the Czar's New Yacht

Oil Engine for Launches

Apparatus for Heating Tires

Miscellaneous Notes

Engineering Notes

Electrical Notes

Selected Formulæ

A First Experiment in Photogravure

Etching The Plate

F. C. Lambert

How Rubber Sundries are Made

New Electrical Apparatus

Electrophotography

A Weather Bureau Kite

C. F. Marvin

Recent Researches on Roentgen Rays

Patents!