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Improved Portable Railway

Sunlight and Moonlight

Manufacture of Malleable Iron in Scotland

Polley's Patent Mole Trap

The American Cervus

Hoyt's Patent Match Box

Pierce's Device for Fastening Umbrella Coverings

Manufacturing, Mining, and Railroad Items

Algebra--Mathematics for Mechanics

Recent American and Foreign Patents

American Mechanics Abroad--the Havre Exhibition

Answers to Correspondents

Extension Notices

New Publications

Measurement of High Temperatures

Thought and Expression

Should the Patent Laws be Extended to Horticulture

Instruction and Amusement Combined

Encke's Comet

The Proposed Suspension Bridge Between New York and Brooklyn


Death of Moses Y Beach

The Horse and Appliances for His Use

Official Report of Patents and Claims

Editorial Summary

Our Benchtung für Deutsche Orfinder


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August 05, 1868

Of Shamrocks and Science

Happy St. Patrick’s Day