Volume 2, Issue 18
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Features
American Naval Architecture
What Ought to be Known
Fire-Escapes--A Suggestion
Polytechnic Association of the American Institute
American Telescopes--The Twist in the Grain of Trees
The Manufacture of Tin Plates
Chinese Green from Buckthorn
Cotton Machinery Inventions
The Cattle Disease in Massachusetts
Patent Extensions before Congress
Death of Hon Chas Stearns
The Lightning Calculator
A Profitable Way of Burning Sawdust
Preventing Boiler Explosions
Repairing Cracked Bells
A Cheap Fishing-Net Machine Wanted
Interesting Correspondence
A Woman Pleads for New Inventions
Of Interest to None but Inventors
Egg-Hatching Machine
Bristol's Anti-Friction Valve
Recent Extensions of Patents
Little's Stave-Cutter
Electrical Conductors
Interesting from Washington--Patent Law Discussion
Smoke
Weekly Summary of Inventions
Foreign News and Markets - April 28, 1860
Discoveries and Inventions Abroad
Industry--Manufactures--Commerce
Patent Claims - April 28, 1860
Issued from the United States Patent Office