The SciencesSeptember 28, 1907
Cause of Vitiation of Confined Air
How Ill Effects are Modified by Constant Ventilation
Stories by Alfred Gradenwitz
The SciencesAugust 10, 1907
A Remarkable Arithmetician
The SciencesJuly 13, 1907
An Aeronautical Observatory
The Elaborate Equipment of a Model Institution.
The SciencesJuly 13, 1907
Captive Balloons in the German Army and Navy
TechnologyJune 29, 1907
A Novel Apparatus for Demonstrating Atmospheric Pressure
TechnologyJune 22, 1907
Mechanical Masterpieces of the Eighteenth Century
The SciencesJune 8, 1907
The Operation of Mechanical Devices at a Distance by means of the Wireless Transmission of Energy
TechnologyMay 25, 1907
An X-Ray Stereoscope
The SciencesMay 18, 1907
A New Direct-Reading Wind Gage
The SciencesMay 11, 1907
The use of Compressed Air in Cleaning
TechnologyMay 11, 1907
The Talking Siren of Dr. Marage
The SciencesApril 27, 1907
A Gigantic Clock
The SciencesApril 6, 1907
A Wire Rope Railway Used in the Construction of an Italian Fortress
TechnologyMarch 23, 1907
An Interesting German Flying Machine
The SciencesMarch 16, 1907
Leduc's Artificial Plants and Cells
TechnologyMarch 2, 1907
Electrically-Driven Target Trains in the German Army
The SciencesFebruary 23, 1907
The Southwest African Railway
TechnologyDecember 8, 1906
The Microphotoscope--An Apparatus for Examining Minute Maps
The SciencesDecember 1, 1906
A Shorthand-Writing Machine
The SciencesNovember 24, 1906
Soft Crystals Showing Apparent Life
TechnologyNovember 10, 1906
The Parseval Dirigible Airship
The SciencesNovember 3, 1906
Electrically-Operated Traveling Platforms, Turntables, and Winches
The SciencesOctober 27, 1906
Boffalora-Ticino Hydro-Electric Power Plant
The SciencesOctober 6, 1906
Two Instruments for the Composition of Simultaneous Movements