Volume 6, Issue 150supp
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Features
Cleopatra's Needle
The Motion of Acid on Surfaces
On Motions Produced By Dilute Acid On Some Amalgam Surfaces*
The Properties of Iron and Steel
The Telephone and Terrestrial Magnetism
An Improved Whaling Gun
Belgium at the Paris Exhibition
The Pavilion of Copper
An Impressionist at the Paris Exhibition
The Paris Exhibition Prizes
Bronze Medals