Volume 104, Issue 8
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Features
Professor Gisbert Kapp
A Distinguished Electrical Engineer
Curtiss's Single Hydroplane Float for Aeroplanes
New Things in Aeronautics
Height Recorder for Balloonists: Curtiss's New Flying Boat
Labor Saving by Automobile Power
Gasoline vs. Perspiration
The Pan-American Commercial Congress, A Menace to the Alfalfa Crop, and more
Observations Among the Workshops of Europe--I
Practical Hints for the Extension of Our Machinery Trade
Uncovering the "Maine"
Fighting Death in Mines
How Science is Educating the Miner
Science in the Current Periodicals - February 25, 1911
In this Department the Reader will find Brief Abstracts of Interesting Articles Appearing In Contemporary Periodicals at Home and Abroad
Construction of a Four-and-a-Half-Inch Reflector
A Home-made Portrait Attachment for a Camera of Fixed Focus
Liquefaction of Nitric Oxide
A Modified Form of the Opeidoscope
An Easily Made Leyden Jar Charger, How Clouds Get Their Fringes, and more
Graphic Demonstration of Cometary Orbits
Curiosities of Science and Invention- February 25, 1911
The Inventor's Department- February 25, 1911
Simple Patent Law; Patent Office News; Inventions New and Interesting
Fuel from Nile Sudd
By Our London Correspondent