Volume 25, Issue 13
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Features
The Loss of My Spectacles
Important Patent Decision
The Aged Pilgrims' Asylum
George's Clamp Pen Holder
Farrell's Improved Lamp Wick
On the Psychic Force
Fair of the American Institute
Evens' Safety Stove for Railway Cars
Sinclair's Mill Pick Holder
Butler's Adjustable Window Sash
Ammonia Motive Power for Organs
The Perils of Gun Cotton
Mr. Highton and the New York Times
A Defect in Marine Engineering
What Constitutes Patentable Novelty?
Important Trademark Decision
The State of the Manufacturing Trades
The Staff of Life--The Breadmakers of the American Metropolis
Recent American and Foreign Patents- September 23, 1871
Official List of Patents—September 23, 1871
Issued by the U. S. Patent Office