Preserving the Temples of Angkor
French Control of Some Old Ruins by the Paris Correspondent of the Scientific American
French Control of Some Old Ruins by the Paris Correspondent of the Scientific American
The Wonderful Feats of Boys who Became Famous
A Device Which Rapidly and Automatically Covers a Fire Without Opening a Door
An Engine Which Will Run on Kerosene or Crude Oil
The New Equipment of the Signal Corps
Full Instructions for Mending Cast Iron or for Welding
AS a Building Material by the English Correspondent of the Scientific American
The Composition of Modern Powders
A Discussion in the Light of Modern Chemistry
A Novel Type of Car for Suburban Traffic
A New Law for its Location