Volume 104, Issue 13
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Features
Edouard Branly
The Successful Rival of Mme. Curie at the Paris Académie des Sciences
Electrolytic Iron--Can it be Made an Industrial Product?
Aviation Exploits at Home and Abroad
Foulois on the Mexican Border; the Flight to the Puy de Dome
Two Recent European Compound Locomotives
A French and a Hungarian Engine
Notes on the Planets, Asteroids, and Occultations of April, 1911, The Current Supplement and more
What do you Think of the Scientific American?
Some Answers to a Question which We Put to Our Readers a Few Weeks Ago
Science in the Current Periodicals and Books
In this Department the Reader will find Brief Abstracts of Interesting Articles Appearing in Contemporary Periodicals at Home and Abroad
Sinking a Battleship at Six Miles
The "San Marcos" ("Texas") Under Fire
Internal-combustion Engines for Industrial Power in the Southern States
Calipering Webs and Chambered Holes
Machining Balls and Sockets
Handy Men's Opinions of Handy Man's Workshop, Cutting Left-hand Threads and more
An Emergency Bit Brace
Kinks from an Amateur's Bench, A Punch Used in Boiler Shops and more
Small Drills
Making Concrete Tile
The Inventor's Department - April 1, 1911
Simple Patent Law; Patent Office News; Inventions New and Interesting