Volume 24, Issue 26
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Features
The Application of Steam to Canals--No. 3
Vagaries of the Patent Office
Flying Machine
Blowing Out of the East Caisson of the East River Bridge
New Expeditions to the Arctic Regions
Dredging and Excavating Machine
Ice Shaving Machine
Address of Professor Morse, at the Ceremony of Unveiling the Statue in Central Park New York
Improvement of the Missouri River at St. Joseph, MO
Scientific Intelligence- June 24, 1871
Re-Vaccination--Glycerin Lymph
The Government of New York City
Boring and Mortising Machine
The Last Six Months of Chemistry
The Inauguration of the Morse Statue
Paine's Electro-Motor
Close of Another Volume
The East River Bridge--Report of the Chief Engineer
Answer to Correspondents- June 24, 1871
Recent American and Foreign Patents- June 24, 1871
Queries- June 24, 1871
Official List of Patents- June 24, 1871
Issued by the U. S. Patent Office