The Relation of Muscular Activity to the Mental Process
The Energy That Directs the Movements That Represent Consciousness
The Energy That Directs the Movements That Represent Consciousness
Accompanying Disruptive Electrical Discharges in Air a New Theory of Thunder
A Popular Survey of Their Marvelous Multiplicity and Variations
Conditions That Affect a Troublesome Problem
The Captive Balloon, and the Important Work it Performs
Its History, Cultivation and Manufacture
A New System for the Standardization and Charting of Colors and Also for Scientific Color Synthesis
Whose Cheap Production Offers an Attractive Field for Research