Scientific American Magazine Vol 101 Issue 26

Scientific American Magazine

Volume 101, Issue 26

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Features

The Army Ordnance Report

Electrification of a Chicago Railway Terminal

Report of the Naval Bureau of Ordnance

The Origin of European Peoples

A Warning

Science

Electricity

Engineering

A New Theory of the Screw Propeller

A Machine for Simultaneously Firing Many Blasts

Frank C. Perkins

Photographing a Star Spectrum

S. A. Mitchell

A Pollen-Gathering Patent Dedicated to the Public

The Phases of Venus

Frederic R. Honey

An Aerial Passenger Railway

Roland Ashford Phillips

How Your Eyeglasses are Made

C. H. Claudy

Flight with Flapping Wings

The Baby Musk Ox and the Alaskan Bear of the New York Zoological Gardens

Walter L. Beasley

Departments

Correspondence

Recently Patented Inventions

Notes and Queries

New Books, Etc.

Index of Inventions

Patents

Index