Biskra
By Our Paris Correspondent
Features
Earth-Carving
Tests of Chemical Manures in the Experimental Fields of Haute-Saône, France
Explosions of Volatile Vapors in Factories
Utilization of Phosphatic Chalks
Anatomy and Habits of the Fish
The Hygiene of the Mouth
Contemporary Electrical Science
Frequency of Alternate Currents
A Flint-Stone Piano
Sugar as a Food
On Sea Charts Formerly used in the Marshall Islands, with Notices on the Navigation of these Islanders in General
American Locomotives in England.—III
By A Locomotive Engineer
