Scientific American Magazine
Volume 91, Issue 3You are currently logged out. Please sign in to download the issue PDF.
Features
New Method of Gold Extraction from Pyrites Used in Italy
How Long Must We Suffer Our Engineering Department at Present the Creature of Party Politics
Corrosion of Steam Boilers
Borax, and Food
A Novel Air Compressor
An Apparatus for Preventing Seasickness
The Plans for the New Manhattan Bridge
The New White Star Liner "Baltic" --the Largest Vessel in the World
By the English Correspondent of the Scientific American
Cascades and Colonnade of States at the Exposition
By the St. Lousis Correspondent of the Scientific American
Lensless Photography
A Compensating Windmill
The New Australian Patent Act
Voting Machine
Hose or Pipe Coupling
Ventilated Eye-Shade
Improved Gage
Chain Clamp
Grain Lifter for Headers
Business and Personal Wants
Departments
Correspondence - July 16, 1904
Recently Patented Inventions - July 16, 1904
Notes and Queries - July 16, 1904
New Books, Etc. - July 16, 1904
Index of Inventions - July 16, 1904
Patents - July 16, 1904