Features
New Guano Island
A Tall Chimney
A Water Wheel Railroad
Frozen Flesh
Peck's Patent Drop Press
Steel Manufacture at Pittsburg
Deep Artesian Well--Heat of the Earth
List of Patent Claims
Granite Dust a Fertilizer
A New Perpetual Motion
The Democratic Tendencies of Science
Receipts of the Paris Exhibition; American Reapers
Compressed Air Engines for City Railroads
Gloves
Locomotive Telegraph
Wind Flouring Mills for the Prairies
Epidemics and Their Causes
Improvement in Seeding Machinese
Safety Spirit Lamp
Back Numbers Volume 11
Railroad Collision
Extinguishing a Burning Coal Mine
The Quality of American Wool
Report of the Secretary of the Interior
Water Descending and Hot Air Ascending
Award of the Scientific American Prizes
California.--Her Work and Ways
A New and Improved System of Numeration and Measurement
Recent Foreign Inventions
Draining of a Sea
Important Items
Mechanics
Inventors, and Manufacturers
Price of Coal in England
Excessive Division of Labor Injurious
Milk of Wax for the Skin
Cochineal
Extract of Indigo--Salts of Tin
Lake Superior Iron
Oxyd of Tin as a Polishing Powder
A Great Steamship Company
Preparation of Colcothar
Departments
- Letters
To Correspondents