The Bio-Chemical Characteristics of Species
Efforts to Discover a Specific Differentiating Substance
Volume 86, Issue 2238supp
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Features
The Magpie-Is he Rogue or Fool?
Reinforced Concrete Trestles
Unique Viaducts Substituted for Steel Construction
Some Anthropological Misconceptions
The Dumping of Government Property
Chemical Utilization of Seaweed
Transmitting Signals between Electric Generating Stations
Fixing Photographic Prints without Hypo
Some Preliminary Experiments with Printing Out Paper
Resilient Wheels for Motor Vehicles
Cork Slabs from Cork Waste
Stellite
Intensification of Flat Negatives
The Roadrunner
Now Said to Be the Friend of Men
The Treatment of Malaria
Big American Guns in France
The Choice of a Lens
Law of Densities in Gaseous Mass
The Ether Ball, Again
Explosive, Expansive and Perforating Bullets
Used by the German and Austrian Armies
A Mississippi Barge Fleet
The Food of Jelly-Fishes
The Zeppelin Biplane—II
A Description of a Monster German Bombing Machine of Recent Construction