Volume 24, Issue 611supp
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Features
Improved Oscillating Hydraulic Motor
The Ceara Harbor Works
Electric Street Railroads
Electrical Alarm for Pharmacies
Apparatus for Determining Mechanically the Reaction Period of Hearing
A New Disinfector
Drawing Instrument for Accurate Work
Barlow's Machine for Moulding Candles
A New Alkali Process
The Largest Black Ash Furnace in the World
Temperature of Gas Distillation
The Statue of Philip Lebon
A New Process for the Distillation and Concentration of Chemical Liquids
Especially Adapted to the Manufacture of Sulphate of Ammonia. Inventor, Alex. Anguscroll*
The Analysis of Urine
Introduction
Liquid and Gaseous Rings
Shall we have a National Horse?
To the Editor of Scientific American Supplement
Scenes among the Extinct Volcanoes of Rhineland
The “Meteorologiske Institut” at Upsala, and Cloud Measurements
Trees from a Sanitary Aspect
Notes of a Recent Visit to some of the Petroleum-Producing Territories of the United States and Canada
Canadian Petroleum