Volume 50, Issue 1300supp
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Features
High-Water Protection Methods on Lower Mississippi River
Detecting Forgeries on Paper
Manufacture of Rubber Water Bottles and Fountains
The Rice Gear-Cutting Machine
Light Railway Locomotives in France
Graphical Comparison of the Efficiency of Naval Guns
The Great Fair of Nishny-Novgorod
Hall Effect in Gases
Pavilion of Dahomey at the Paris Exposition
Lightning Photographs
Facts about the Megalonyx
The Salt Water Aquarium at the Paris Exposition
The Destruction of Animal Life and its Consequences
An “Electric Earth Clock” and its Construction
Some Necessary Modifications in Methods of Mechanical Analysis as Applied to Alkali Soils
Introduction