Scientific American Magazine Vol 109 Issue 22

Scientific American Magazine

Volume 109, Issue 22

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Features

Central Station Power for Farmers

Relieving the Tedium of Farm Work by the use of Electricity

D. R. Palmquist

A Laboratory for Investigations of Underground Life

A Grotto utilized for the Study of Subterranean Plants and Animals

Alfred Gradenwitz

What is Old Age?

Carrel's Research on the Mechanism of Physical Growth

Genevieve Grandcourt

The Mobile Army of the United States

Its Organization, Equipment and Method of Operations

Labor-saving Appliances of the Modern Great Hotel

Housekeeping on a Manufacturing Scale, where Mechanical Devices are used for Everything, from the Boiling of an Egg to the Rolling of a Butter Ball

Joseph B. Baker

The Greatest Side-wheel Steamer Afloat

The "Seeandbee," Latest of the Large Lake Passenger Steamers

Meteorological Stations in Venezuela

The Current Supplement - November 29, 1913

Departments

Correspondence - November 29, 1913

The Heavens in December 1913

Recently Patented Inventions - November 29, 1913

The Motor-Driven Commercial Vehicle - November 29, 1913