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Improved Cider Mill

“Vacuum” and the Indicator

By John T Hawkins

Miscellaneous Summary

The Electric Light

The Second Lecture of Professor Doremus's Course

New Publications

Jeanne's Pipe

Agricultural Exhibition in Brazil

“Hot Engineers”

Patching Engines and Boilers

Ill Ventilated Over Crowded Ships

City Reformers

Modern Marine Engineering

Nitro-Glycerin-the Cause of Its Premature Explosion

By Charles A Seely

Special Notices

American Enterprise in China

Patent Office

Patents Granted for Seventeen Years

Patent Claims

Issued from the US Patent Office

To Our Readers

Patent-Office Decisions

Bugbee's Crutch


  • Departments


  • New Inventions

  • Notes and Queries

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May 05, 1866

20% Sitewide for President's Day