A Great Oil Well on Fire
Heroic Measures Adopted to Extinguish the Blaze
Features
Electrical Resistance of Pure Metal at Very Low Temperatures
The Great Star Map.—III
Machine Beauty
Aesthetic Evolution in Engineering Structures
Practical Aspects of Printinǵ Teleǵraphy—VIII
An Inventor on the Difficulties to be Encountered and the Way to Overcome Them
The Career of the Investiǵator
Mechanical Service for the Furnace in the Modern Industrial Plant
Conveyors and Chutes for Feeding the Coal and Removing the Ashes
The Velocity of Rontǵen Rays
Simple Experimental Evidence for the Presence of Ions
A Schedule Adapted to the Resources of the Small Laboratory
The Acme of Refinement in Mechanism
A New Method of Studyinǵ Gastric Secretions
By the Paris Correspondent of the Scientific American
Micrometer for Readinǵ Directly the Various Systems of Measurement
The Most Remarkable Tree in the Country
A Fine Example of Giant Vegetable Growth
Deterioration of Macadam Roads and the Probable Cure
Problems that Arise from the Increased Automobile Traffic
