The New International Carat of Two Hundred Milligrammes—I
A Movement for Uniformity in Jewelers' Weights
Volume 76, Issue 1962supp
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Features
Welding Repairs to Boilers
The Manufacture of Balls for Bearings
Each Ball is Made True to Within One Ten-thousandth of an Inch
The Waterproofing of Textile Fabrics
By the Use of Aluminium Salts and of Bichromate-gelatine
The Optical Activity of Petroleum and its Significance
New Light on the Nature and Origin of Mineral Oil
The Exposition of Architecture and Building
Leipzig, Noted for its University and as a Publishing Centre, Chosen for the Site
The Luminosity of Animals
Animal Growths in Water Pipes
The Troubles Which They Cause, and Methods of Coping With Them
Smallest Lung Capacity Compatible with Life
Spiders and their Habits
A Ferocious Tribe Allied to the Insects By Our Berlin Correspondent
On Safety of Life at Sea
The Loss of Life Amounts to Less Than One in a Hundred Thousand Passengers