Features
The French War Ship Magenta
The Photo-Mechanical Processes
Ancient Egyptian Pigments
Weiss Beer Brewing
Fifteen Hundred Horse Power Triple Expansion Mill Engines
Negatives from Paper Prints
Breathing in its Relation to Singing and Speaking
The Physiological Action of the Active Principles of Urechites Suberecta
Scientific Diversions
The Photographing of Interference Bands
Writing and Sketching on the Screen
Mr. Moissan's Experiments
On Cathodic Rays in Gases at the Atmospheric Pressure and in an Extreme Vacuum
The Decay of India Rubber
Action of Water and Solutions on Glass
The Genealogy of Man
The Calorific Value of Gas
The Production of Platinum
Balloon Meteorology
A Typical Hurricane
Screens to Protect the Telescope from Wind Tremors
A New Method of Observing the Solar Corona without an Eclipse
Swan Orchids
(Cycnoches)