
The SciencesApril 27, 1918
The Old-Time Treasure Chest
One Recently Discovered Throws Light on Contemporary Methods of Iron Manufacture

The Old-Time Treasure Chest
One Recently Discovered Throws Light on Contemporary Methods of Iron Manufacture

Metallurgical Processes in the Foundry
Use of Ferromanganese—Ferrosilicon—Chills and Iron Molds

Detecting Adulteration of Oils
New Method Discovered for Determining Oil Adulteration by Mineral or Resin Oil

Machinery and the Man

Some Experiments on Alloys of Silver with Embrittling Metals