Volume 42, Issue 13
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Features
A Plan to Make New York a Fresh Water Port
Evils of Neglecting Cold in the Head
A Zoological Novelty
Chemical Repulsion
Improved Stone Polishing Machine
New Plastering Machine
Improved Sprout Puller
Improved Car Window
New Holdback for Harness
Miscellaneous Inventions
American Industries.-No. 36
The New Leclanche Battery
Steel in Agricultural Tools
The Kingio and the Tong-Tsing-Yo
Agricultural Inventions
Communications Received
The Scientific American Export Edition
Published Monthly.