
The SciencesApril 25, 1914
Evolution of the Breech-Loader
The Origin of Fire Arms Dates Back to Remote Antiquity

Evolution of the Breech-Loader
The Origin of Fire Arms Dates Back to Remote Antiquity

Future Prices of Commodities and Materials, A Dished Disk Stabilizer and more
Formerly Chief of Bureau of Commerce and Navigation, United States Treasury

Inventions of Ancient Rome: Some Forerunners of Modern Ingenuity

Our Heritage of the Mechanical Arts.--III

Our Heritage of the Mechanical Arts--II

Our Heritage of the Mechanical Arts