SA Supplements Vol 86 Issue 2221supp

SA Supplements

Volume 86, Issue 2221supp

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Features

The Heavy Oil Engine—I

A Review of the Present Construction and Future Development

Charles E. Lucke

Nutritive Properties of Kafirin

Why Water Over-Fills a Tumbler

And Floats Glass Plates and Flaky Minerals

Will H. Coghill, Carl O. Anderson

Standardization of Chemical Stoneware

A Home-made Telescope

A Simple and Practical Instrument for Amateur Observers

Vera M. Gushee

A Kashmir Barrage of Hail

William Beebe

Pearl Shell Industry in Australia

The Gibraltar Straits Tunnel

Big things in Steel

Some things seen in a Plant where Big Guns are Made

An Educated Ape

Marginal Fog in Photographic Negatives

Peat Fuel in Canada

The Fabricated Ship

Stain which Tones

Dried Milks

Some General Aspects of Evaporation and Drying

Electrolysis Mitigation—II

Discussion of Causes and methods of Regulation

Importance of Petroleum Products

Insects Helpful to Man

An Instructive Series of Horse Skeletons

Radiation and the Electron—I

New facts require a Revision of Classical Theories

R. A. Millikan

Botulism in London

Currents in the upper Air

The Physiology of the Retina

The Possibilities of Powdered Coal

As shown-by its Combustion Characteristics

W. G. Wilcox

The Tinting Strength of Pigments

New Theory of the Spontaneous Firing of Haystacks