Features
Miscellaneous Summary
Nominal Horse Power
Inventions and Discoveries Abroad
Oxygen, Ozone and Antozone
Reckless Use of Fire-Arms
Opening of a New Campaign
Shape of Lasts, Boots and Shoes
The Coal Question Again
The Labor Movements
Recuperation of the Globe
Manufacture of Enfield Rifles
Carbolic Acid
Trial of O. R. Mumford's Percussion Fuse
Patent Claims
Issued from the United States Patent-Office
American Steamships for China
Recent American Patents
Vibrating Waterfalls
To Our Readers
Departments
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Correspondence
Notes and Queries
