Volume 7, Issue 159supp
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Features
Swiss Railroads
The Armstrong Divided Mountain Gun
Automatic Furnace Feeder
Propeller for Velocipedes and Sleighs
How to make a Superior Gum
American Ship Canal
Artesian Wells
Character of Material
Artesian Well Tides
Galvanic Batteries
Action of some Reagents on Vegetable Fibers
Origin of Yellow Fever
New York Pathologial Society
A Surgeon Loses His Right Hand—Remarkable Fortitude
Philadelphia Hospital
Sinus Of The Leg