Features
Influence of the Chemical Nature of Substances, and their Permeability by the Roentgen Rays
On the Utility of Photographs in Human Pathology taken by means of the X Rays
The Cathode Rays
Permeability of Metals for the X Rays
Experiments with Roentgen's Rays
On the Application of Roentgen's Rays in Surgical Diagnosis
Certain Properties of Roentgent's Rays
Electrical Phenomena Produced by the Roentgen Rays
Proofs Obtained by means of Roentgen's Procedures
On the Depression of Explosive Potentials Static and Dynamic by the X Rays
Edison's Roentgen Rays Experiments
Acetylene Apparatus
Strength of European Armies
Selected Formulæ
Electrical Notes
Miscellaneous Notes
Engineering Notes
The Porcelain Works at Meissen
Paint as a Protection for Iron
Mechanical Road Carriages
[Cantor Lectures before the Society of Arts.] Lecture III.
How to Build a Miniature Yacht
The Story of Helium
Chapter II.
