Volume 65, Issue 1690supp
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Features
Nilsson's and Buebank's Methods in Plant Breeding
The Shape and Size of the Earth
American Salesmen
Capitaine Producer-Gas-Driven Ship
Organized Anarchy among Bees
The Curious Social Life of the Bee
Caisson Disease
The Ills of Compressed Air
A Rotary Field Model
How Electrical Theories may be Experimentally Illustrated
The Conversion of the Diamond into Coke in High Vacuum by Cathode Rays
Aeroplane Design
A Salvage Dock for Submarines
How Submarines may be Raised
Italian Submarines
An Account of some Large Submarines
The Weathering of Coal
The Importance of Nitrogen in Case-Hardening
Malleable Iron Castings
Comparison of Methods used and Methods of Annealing
The Metropolitan Tunnel in Parks
Its Construction with the Aid of the Pifre Erector
Photography in Constantinople
Recovery of Gold and Silver Residues
Some Practical Suggestions