Volume 38, Issue 10
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Features
The Treatment of the Insane
Invention as a Means of Culture
The Genesis of the Telephone
A Brief History of Our Patent System
The Astounding Famine in China
Fish Teeth Set on Hinges
Hayford's Wood-Preserving Process
Improved Fire Escape
The Liquefaction of the Gases--M. Pictet's Apparatus
Communications - March 9, 1878
Practical Mechanism
NEW SERIES.