Features
Gould's Improved Lock
The Latest in Photography.--Photoglyphic Engraving
California Wool
Cold Water to Cure Scalds
To Raise the Pile on Velvet
Course of Refinement
Influence of Out-Door Air and Sunshine on Longevity
Something About Magnetism
American Cotton in England
Invention of Balloons
Golden Canals
Improved Grinding Mill
Improved Stone-Cracker
Wolf&s Saw Gummer
The Patent Office
Scientific American
Patent Law Changes in France
An Improvement in Candles
Lowell and Its Cotton Manufacture
New Mode of Constructing Boilers
A Podoscapher
To Remove Stains
Extracting Teeth by Electricity
Tar Oils
Sabbaton's Coal Shovel
Notes on the Progress of the Puddle and Screw--No. 5
The Great Eastern
Woolen Manufactures in Belgium
Brickmaking by Elephants
Mechanics
Preserving Iron Ships
Departments
- Departments
Notes and Queries
