Features
M. De Brazza's Explorations in Equatorial Africa
The Utilization of Waste
Launch of a Channel Steamer
English and American Locomotives
The Commercial Museum of Brussels
The Screw Propeller
On the Limiting Numbers of Teeth for Spur Wheels
Chemigraphic Engraving
Specification of Organ at Temple Church, London
Whalebone
Pictures in Glass
English Ideas of American Architecture
Das Telephon
Messrs. D'Arsonval and Bert's Micro-Telephone Apparatus
The Electric Arc in Vapor of Sulphuret of Carbon
Secondary Battery
Photometric Measurements
Approximative Photometric Measurements of Sun Moon, Cloudy Sky, and Electric and Other Artificial Lights
Small Incandescent Lamps
Electromotive Force
Patent (Concentrated) Essential Oils
Apparent Radiation of Cold
Plagues and Pestilences
Surface Temperatures in Paris
Production of Low Temperatures
Coating Pills with Gelatine
Asparagus on the French System
Notes on Asparagus
Broad Beans
Orange Tree Scale
New Mineral Localities
Departments
- Departments
Patents