The Heavy Oil Engine—I
A Review of the Present Construction and Future Development
Features
Nutritive Properties of Kafirin
Why Water Over-Fills a Tumbler
And Floats Glass Plates and Flaky Minerals
Standardization of Chemical Stoneware
A Home-made Telescope
A Simple and Practical Instrument for Amateur Observers
Pearl Shell Industry in Australia
The Gibraltar Straits Tunnel
A Kashmir Barrage of Hail
An Educated Ape
Big things in Steel
Some things seen in a Plant where Big Guns are Made
Marginal Fog in Photographic Negatives
The Fabricated Ship
Peat Fuel in Canada
Stain which Tones
Dried Milks
Electrolysis Mitigation—II
Discussion of Causes and methods of Regulation
Some General Aspects of Evaporation and Drying
An Instructive Series of Horse Skeletons
Importance of Petroleum Products
Insects Helpful to Man
Radiation and the Electron—I
New facts require a Revision of Classical Theories
Botulism in London
The Physiology of the Retina
Currents in the upper Air
The Possibilities of Powdered Coal
As shown-by its Combustion Characteristics
