Volume 31, Issue 789supp
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Features
Preservative Treatment of Timber
Mechanical Maturing of Spirits
The Cork Industry in Spain
The White Star Steamer Teutonic
The Requirements of a Perfect Valve
Improved Tree Cutting Machinery
A New Mode of Wheel Cutting
A New Process for Generating and Cutting the Teeth of Spur Wheels
The Power of Water, or Hydraulics Simplified
Flow from sub surface orifices
The Spectroscopic Properties of Dust
The Electromagnet
Modifications of the Coil and Plunger
The Migration of the Salmon
Useful Engineering Books
“Aluminin”
(Hydrate of Alumina)