Features
The find at Oxyrhynchus
Simple Tests for the Detection of Food Adulterants
Reservoir, Fountain, and Stylographic Pens —VII
The Utilization of Solar Heat for Industrial Purposes by means of a New Plane Mirror Reflector
A New Device for the making of Curved Stereotype Printing Plates for Newspapers
Concrete Mixing Machinery
New Seating Arrangement for Street Cars
A Simple Method of Measuring the Density of Liquids
The N-Ray Problem
The San Francisco Earthquake of April 18
A New Source of India Rubber
Chess Players' Time-Keeper
The Gelada of the Zoological Garden of Leipsic
Recent Advances in Fine Measurement
Imitation of Precious Stones
Relative Total Heat Received from Sun and Sky during any Day by Horizontal Surfaces
Science Notes
Contemporary Electrical Science
Electrical Notes
Engineering Notes
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