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Features

Improvement in Cooling Mill Stones and Flour, Learning to Telegraph, and more

Foote's Patent Porcelain Lined Ice Pitcher

Future Prospects of Machine Manufacturing in Russia

The Ainos, or Hairy Men of Yesso and Saghalien

The Balance

Capewell's Revolving Carriage Wheel Fender and Step

Thomas & Raymond's Patent Adjustable Ladder

Recent American and Foreign Patents

Manufacturing, Mining, and Railroad Items

Editorial Summary

Answers to Correspondents

Perseverance One Great Element of Success

Care of Grindstones

Sub-Marine Exploration -- The Wreck of the Frigate Hussar

Water on the Planets

Athletic Sports and Collegiate Institutions

Preservation of Brick Structures

The New Commissioner of Patents

What Constitutes a Great Inventor

Patents and Claims

The Atlantic Cable

Planchette

Extension Notices

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Why Do Facts Fail?

Why Do Facts Fail?

Deconstructing Denial