Volume 6, Issue 13
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Features
Saving Ten Per Cent of Flour
Notes on Military and Naval Affairs
History of Turbine Water Wheels
Too Heavy Shot for Light Guns
The Ancient Savages of Europe
A Splendid Specimen of California Workmanship--Hansbrow's Pump
Plumbing and Soldering Lead Pipe
Monier's Gas Burner
What Can Be Done for Inventors--Advice Gratis and Advice for Pay
Our Navy--Who is to Blame?
Jealousy Between the Army and Navy
The United States and Canadian Reciprocity--Patent Laws
The Navy Department and Iron-Clad War Steamers
Excitement on Hose Couplings
New Steam Floating Battery
Steam Rams and Their Qualities
Artillery Matches and Signals
California Statistics and Progress
Our Navy a Year Ago
Can Guncotton Be Used for Army Purposes ?
Armstrong Guns on the Merrimac
Harbor Defences
Subjects for Inventions
Recent American Inventions
Patent Claims
Issued from the United States Patent Office