Features
Whipple's Patent Machine for Brick Manufacturing
Gas from Wood
Tunnel at Buffalo
Stopping of Flour Mills
The Useful More Enduring than the Magnificent
To Deaden the Sound of an Anvil
Straw Bonnet Manufactory
Steam—Stame
Opening of the Great Exhibition—London on the 1st of May
Matters and Things Connected with the Great Exhibition
Ship Measurer
New Railway Torch for Signals
Knapp's Self-Arresting Abdominal Supporter
New Patent for Rising and Descending Inclinations in Railways
Improvement in Carriage Springs
Improvement in Apple Mills
New Cloth Measuring Machine
Theory of the Rifle
New Theory of the Central Heat of the Earth and the Cause of Volcanoes
Young Mechanics—The Way to Rise
The Seventeen Year Locusts
The Patent Office
Pay Your Postage
Electro-Magnetism as a Prime Mover
Astronomical Observations at Washington
Cotton Crop Prospects
List of Patent Claims
Blasting Rocks
Practical Remarks on Illuminating Gas
Back Numbers and Volumes
New Edition of the Patent Laws
Patent claims
Sugar Refining Machinery
Hydraulics
American Sponges and Florida Salt
Departments
- From the Editor
To Correspondents
