Volume 7, Issue 1
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Features
The Fire Annihilator
Perpetual Bearing Raspberry Bush
Foreign Correspondence
Mosquito Bites—A Remedy
The Partition Tumbler
Spirit of Recent Foreign Inventions
New Motive Power and the Spiritual Rappings
Benefit to Horses
Relic of the Revolution
Colored Daguerreotypes—Hillotype—Heliochromy
Perforation of a Leaden Water Cistern by Insects
Godfrey's Crystal Bee Palace
Machine for Making Blinds
Improvement in Making Iron Pipes
Improved Clothes Wringer
Assyrian Antiquities
Our New Volume
Interesting Patent Case
Sale of the Yacht America
An Improvement Wanted for Ginning Sea Island Cotton
Fayettville, N.C.
Patent Office Report for 1850—No. 1
List of Patent Claims
A New Material for Lighthouses, Sea-Walls, Paving, &C
The First Locomotive in America
The Floating Bridge across Lake Champlain Completed
Spontaneous Combustion of Hay Stacks
New Edition of the Patent Laws
Postage on Books
Back Numbers and Volumes
Fire Engines
A Discovery in Surgery
Marine Glue
New Prospectus to Mechanics
Inventors, and Manufacturers