Features
Saltpeter is King
Brine a Poison
Improvement in the Telegraph
The Gasconade Bridge Disaster
The Green Lakes of Onondaga
Explosion of a Locomotive
Floating Logs
Orange and Pink Color on Silk
Casting of the Horse for the Washington Monument
Yampert's Pump
Present to an Inventor
The Ignition Engine
A Pamphlet on Boiler Explosions
On the Purchasing of Machinery
Public Clocks
The Albany Observatory
The Climate for Consumptive Persons
Oscillating Locomotives--Lap of the Valve
Creative Power of a Mechanic
Marble Sawing Machine
Railroad Car Patent Case
Hays' Patent Lard Lamp
Seymour's Sewing Machine for Shoes
One and Two Cylinder Engines
Reform of Patent Laws.--Important Meeting of Inventors at Buffalo, N. Y
Rejected Models
Three Masted Schooners
British Association for the Advancement of Science.--No. 2
The Discovery of Making Shot
Value of Mechanics in Australia
Lead and Iron Pipes
Blackening for Foundries
Proposition to Convert the Ohio River into a Slack Water Canal
Alumina in Soapatone
Are the Position of Countries Changing ?
Departments
- Letters
To Correspondents