Features
Chaffee's Patent Drying Machine.—Figure 1
The Sardine Fishery
Safety Railway Truck
Collecting Vinegar from Wood
Powers on Cleaning Marble Statues
Parkerapos's Water-Wheel Patents
The Atmosphere, and its Effects upon Animal Life
Fire Telegraph in Boston
[Reported expressly for the Scientific American.] Lectures on Chemistry.—No. 4
Machinery and Tools as they are.—Printing Presses
Form and Heat of the Earth—North West Passage
High Price of Ships
For the Scientific American Sulphur and the Cholera
A Grand Junction Railway in Paris
Improvement in Clock Escapement
Cutting Barrel Heads
Improved Railroad Switch
Tonguing and Grooving Machine
Improved Grain Separator
Boring and Mortising Machine
Improvement in Hand Looms
Improvement in Butter Firkins
Mountain of Marble
Colt's Revolver
New Foundry
The Hot Air Ship Erricsson
Patent Office Report
New Railroad
Effect of the Earth's Rotation on Locomotion
Improved Mode of Making Brick
The New Steamboat Law
New Locomotive
List of Patent Claims
Foreign Patent Laws
The Scientific American—Prizes to Apprentices
Advertisements
Wells, Pumps, &C.
Manufacturers and Inventors
The Founder of Mechanics' Institutes
Process for Testing Iodine
Patent Principles—Telegraphs
The Iron Trade in England
Old Apple Tree
Departments
- From the Editor
To Correspondents
- Recommended
A Chapter of Suggestions, &C.
Literary Notices