The New International Carat of Two Hundred Milligrammes—II
A Movement for Uniformity in Jewelers' Weights
Features
Our Phosphate Production
Earthquakes in Japan
Notes from a Country in which Earthquakes are Almost an Everyday Occurrence
The Mystery of the Predynastic Furnace Solved
The Emission of Electrons from Tungsten at High Temperatures
An Experimental Proof that the Electric Current in Metals is Carried by Electrons
The Modern Production of Lampblack
How it is Automatically Precipitated and Collected by Electricity
The Speed of Glaciers
Sleeping Death
The Scourge of Africa
Slate and Shale used in Manufacture of Paints and Linoleums
Causes for Variation in the Quality of Distilled-Water Ice
Cellar Space made Available by the use of Prismatic Glass
Hardening Steel with Compressed Air
A New Process for Coating Surfaces with Metal
By Means of a Spray of Finely Divided Metal the most Delicate Objects can be Coated
The Laws of Similitude
And their Application in Aeroplane Design
The Subliminal Self
Unfathomed Depths of the Human Mind
