Volume 6, Issue 42
You are currently logged out. Please sign in to download the issue PDF.
Features
Black Rock Suspension Bridge
Dodge's New Printing Press
Cattle Freight on Railroad
The Sea Diminishing
Curious Discovery in Bulgaria
Deep Sea Soundings
Extraordinary Effects of Lightning
Purifying Water
Passages of the Atlantic Mail Steamships from Liverpool to New York, from April 3, to June 1, 1851
To Millard Filmore, the President of the United States
Why there are not more American Exhibitors in London?
New Scotch Steamer—Some Peculiarities
Improved Machine for Making Barrel Heals
To Make Water Cold for Summer
The Coming Cotton Crop
Revolver Shirt
Improved Seed Drill
Corn Sheller Model
Improved Grease Faucet
Gold Washing Machines
Improvement in Thimble and Scissors
Improved Skiving Machine
Machine for Making Paper Bags
Improvement in Circular Sawing Machines
Improved Clamp
New Rotary Cylindrical Engine
Phillipa' Fire Annihilator
The Republican and Royal Mail Lines of Atlantic Steamships
Business at the Patent Office
The Potato Rot
Paving Streets—Mud and Dust of London and New York
Byram's American Clocks
Improvement in Treating Pototoes
Improved Gate
Boston Steamship
American Flour
Treatment of Children in Public Schools
List of Patent Claims
Back Numbers and Volumes
New Edition of the Patent Laws
Post Office Stamps
Astronomy
Has a Balloon Weight?
Curious Experiment
Mechanics
Inventors and Manufacturers