Volume 63, Issue 1637supp
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Features
Safe Submarine Vessels and the Future of the Art
The Treatment of Sewage
The Manufacture, Denaturing, and the Technical and Chemical Utilization of Alcohol.—II
The Influence of Physical Conditions in the Genesis of Species
Improvement in Quadruplex Telegraphy
Electrically Operated Equatorial Mountings for Telescopes
A Method of Photometry of High Candle-Power Units
Means for Retarding the Setting of Plaster
Linnæus
A New Direct-Reading Wind Gage
Progressiveness in Italy
Large Drainage Plant as Related to Mosquito Extermination