Scientific American Magazine
Volume 7, Issue 35You are currently logged out. Please sign in to download the issue PDF.
Features
Philadelphia and Oswego Railroad
Railway from St. Petersburgh to Warsaw
The Panama Railroad
Improvement in Screw Propellers
Silver in Bohemia
Recent Foreign Inventions
A Poison Spring
Composition of Water--Paine's Light
Steamboat Disasters on the Western Waters
Another Tubular Suspension Bridge
To Dye Hats Green or any other Color
Baths for the People
The Great India Rubber Case Again
Improvements of the Hudson River
Ten Hour Law in Ohio
A Terror to Milk Dealers
Important Invention
The Engineers' Strike
American Ingenuity
Medical
Improvement in Fulling Mills
Improvement in Knobs
Great Fire Engine Performance
Patent Shovel
Improved Tool for Boot and Shoemakers
Brake for Railroad Cars
Improved Locomotives
Machine for Making Pills
Sharp's Rifle
Gold Seeker
Improvement in Lifting Pumps
Prescription Scales
The People's College
Are Patents Monopolies?
Cooling Air in Hot Climates
The Fire Annihilator, and Scientific American
Telegraph Case
Compensation Pendulums
List of Patent Claims
Grave of an Ancient Sea King
Cochineal Raised in Europe
Ventilation Lights
Petition for Extension of a Patent
Resemblance of Lords and Savages
An Important Paragraph
Back Numbers and Volumes
Patent Laws, and Guide to Inventors
To Correspondents
Nautical Architecture
Hiccup and Sneezing
On Boilers--No. 23
Inventors