Scientific American Magazine
Volume 90, Issue 23You are currently logged out. Please sign in to download the issue PDF.
Features
Submarine Mines on the High Seas
The N-Rays: Are They Real or Illusory?
A World's Congress of Academies
Charles H. Haswell's Ninety-Fifth Birthday
Belgian and American Electric Lifting Magnets
Electrically-Operated Versus Steam-Driven Mine Hoists
Electrochemical Phonograph
The Japanese Naval Disasters
New form of Radiation
The Manufacture of Straw Hats
The Petroleum Reservoirs of California
An Arcade for New York City
Wreck of the Russian Cruiser Bogatyr
The Pielock Superheater System
Photography of Jupiter's Satellites
Improved Railway Chair
Patent Department
Compensating Device for Rope Tramways
A Novel Fly-Catcher
Rock Drill Attachment
A Tension Regulator for Overhead Cables
An Improved Portable Tent
Device for Distributing Noxious Fumes
A Clothing Rack
Business and Personal Wants
Departments
The Heavens in June - June 4, 1904
Correspondence - June 4, 1904
Recently Patented Inventions - June 4, 1904
Index of Inventions - June 4, 1904
New Books, Etc. - June 4, 1904
Notes and Queries - June 4, 1904
Patents - June 4, 1904
