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Improved Steam Gage

Power Required to Start a Train

Treatment of Cholera

Increase of Examiners' Pay

Elevated Railway for Streets

Frye's Buckle

Andrews & Burnham's Carpet Fastening

New Publications

Increased Tax Upon Inventors

Experiments with Nitro-Glycerin or Blasting Oil

Brown's Self-Closing Governor

Sodium Amalgam

The Right Kind of a Grocery

Another Tax on Genius

Whistles as Signals on Trains

An Unpalatable Truth

Collapse of an English Boiler Flue

The Third Lecture of Professor Doremus's Course

Patent Claims

Issued from the U. S. Patent Office

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  • Notes and Queries

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