Features
Woodite
Heating Cities by Steam
The Locks of the Panama Canal
Gas Fired Steam Boilers
Carey Lea's Photochloride of Silver
An Automatic Intermittent Siphon
Methods of Teaching and Learning Modern Languages
The Chinese Wall a Fact
Notes on Ethereal Oils
Influence of Magnetism upon Crystallization
Experimental Optics
Underground Haulage by Electricity
A New Antiseptic
The Shone Hydro-Pneumatic System of Sewerage
The Saturnia Maia Moth
God's Universe
Building Plans and Specifications
The Girod Cosmograph
Ancient Microscopes
Hair Tonic
Departments
- Departments
Patents - March 31, 1888