Scientific American Magazine Vol 81 Issue 21

Scientific American Magazine

Volume 81, Issue 21

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Features

The Mammoth Power Stations of New York City

Soil Parasites

Naval Tests of Marconi Telegraphy

Bids for the Proposed Cruisers

Opening of the New York Zoological Park

Report of the Bureau of Steam Engineering

Coloring Bromide Prints

Production of Hydrogen with the Aid of Magnesium

Masses Smaller than Atoms

Interesting Experiments with Photographic Plates

Some French Types of Automobiles

C. De Kubicki

The Pea Louse, a New and Important Economic Species of the Genus Nectarophora

A Simple Device for Tightening Fence-Wires

Explorations in Patagonia

J. B. Hatcher

The Parsons Steam Turbine

The "Becklight" Acetylene-Gas Generator

A Traction-Wheel of Improved Form

Departments

Correspondence - November 18, 1899

New Books, Etc. - November 18, 1899

Business and Personal - November 18, 1899

Recently Patented Inventions - November 18, 1899

Notes and Queries - November 18, 1899

Index of Inventions - November 18, 1899

Patents - November 18, 1899