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The Burning of the Theatre Francais
The Facilities afforded by the Office of Standard Weights and Measures for the Verification of Electrical Standards and Electrical Measuring Apparatus
The Future Wheat Problem
Walking as a Tonic and Pastime
600 Horse Power Blast-Furnace Gas Motor and Blowing Engine
Downie's Patent Piston Rings
Apparatus for Lifting Rails
Machine for Operating a Pile Driver by means of the Current of a River
Machinery Labor-Saving, Labor- Creating or Labor-Killing?
The Poison in our Food
A Simple Illumination Photometer
Art and Fashion among the Pahouins
Forest Conditions in the Klondike
Trade Suggestions from United States Consuls
Brinton Memorial Chair in the University of Pennsylvania
Trade Notes and Receipts
The Meerschaum Pipe Centenary
Chemical Manures Applied to Fruit Trees
New Fireproof Material in Germany
The Relation between the Periodic changes of Solar Activity and the Earth's Motion
The Vedovelli and Priestley Cab
The German Antarctic Expedition
Roadside Fruit Trees
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April 14, 1900
Beyond XX and XY
Biology. Identity. Equality.