Technology
Stories by Alfred Gradenwitz
The Sciences
Novel Methods of Determining the Amount of Atmospheric Dust
Technology
A New Type of Portable Wireless Telegraph Station
The Sciences
Snow Sculptures
Technology
A New Megaphone
Technology
An Automatic Cartridge-Counter for Magazine Rifles
The Sciences
Uniformity of Organic and Inorganic Bodies
The Sciences
Interesting Repair Work on a German Steamship
The Sciences
A Binocular Head Lens
The Sciences
Lignite Producer-Gas Plants
Health
A Novel Process of Reanimation
The Sciences
Improved Tele-Photography
Technology
A New Projection System for Lectures
The Sciences
A Transportable Searchlight
Technology
A Hand-Pressure Riveting Machine
The Sciences
The Electrolytic Production of Hydrogen and Oxygen for Welding Purposes
The Sciences
The use of Bronze Castings for Naval Purposes
The Sciences
The Schlick Pallograph
Technology
Improved Methods in High-Speed Chrono-Photography
Technology
