Volume 9, Issue 220supp
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Features
The American Grain Elevator in London
Fixed and Movable Weirs
Speed of Ice Yachts
Ring-Spinning Improvements
Applied Science Exhibition, Paris
Estimation of the Total Carbon in Iron and Steel En Masse
The Western Mining Regions
On Actinometers
Photo-Electro Metallurgy
Royal Academy Gold-Medal Design for a Baptistery
Effects of Color on Distance
The Electro-Motive Force of Aluminum
New Solvent for Gums
Hop-Resin
On Water and Air
Improvement in Telescopes
Our Domestic Poisons
How arsenic poison is introduced into papers