Features
Planetary Wheel—Trains
A Delta Metal Yacht
The Construction of Frame Buildings
Ritter's Perspectograph
Filtering Cisterns
Gilding
Restoration of Fased Photographs
Aluminum Mordants
Basic Refractory Materials
Simple Photo—Enlarging Apparatus
Henry Watts, F.R.S.
Physics and Chemistry
Gold and Silver in the Vapor of Phosphorus
On Different Methods of Producing Cold Artificially
Anders' Telephone Transmitters
On Making Joints in Wires Used for Electric Lighting
Electricity Applied to the Driving of Galleries in Mines
Experiments on the Passage of Electricity Through Gases.—Sketch of a Theory
A Peculiar Dust in Snow
The Electric Conductivity of Metals and their Alloys
The Standard of Light Adopted by the Paris Conference
A Modification of Hughes' Magnetic Balance
The Dakota Tin Deposit
The Earthquake Recorder
The Extraction of Gold
A Study of the Horse's Trot
Little Duck, Winner of the Grand Prize of Paris, 1884
A Fish-Eating Plant
Nickel ore from Nevada
A Lily Bed
How to Make a Photographic Background
Departments
- Departments
Patents - August 23, 1884
