Scientific American Magazine Vol 67 Issue 14

Scientific American Magazine

Volume 67, Issue 14

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Features

Progress of the Cholera

Cholera and Some Indications for its Management

Baku

New Mathematical Instrument

An Improved Nut Lock

An Improved Speed Indicator

A Simple and Efficient Typewriter

Position of the Planets in October

Military Ballooning

A Long Distance Transmission Plant between Tivoli and Rome

Reynaud's Optical Theater

The Pipa Americana

Departments

Correspondence- October 1, 1892

Recently Patented Inventions- October 1, 1892

New Books and Publications- October 1, 1892

Index of Inventions- October 1, 1892

Business and Personal- October 1, 1892