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Combined Floating and Stationary Power Station

The Organization of the Submarine Flotilla of the British Fleet

More Light on Turbine Economy

Effects of Snow on the Third Rail

Comparison of Heavy Electric and Steam Locomotive Performance

Proposed New York, Brockton, and Boston Canal

The Economics of New York's Refuse Destructor

Recent Balloon Ascensions in the Vicinity of New York

A Pneumatic Deck-Calking Tool

An Apparatus for Recording the Oscillations of Lighthouse Towers

By Alfred Gradenwitz

A Railway Mail Catcher

By W. Frank M'clure

100-Horse-Power Suction-Gas-Propelled Boat on the River Rhine

By the English Correspondent of the Scientific American

Motor Roller Skates

By the Paris Correspondent of the Scientific American

An Improved Engine Indicator

A Novel Profile Tracer

How Easter Eggs are Made by the Thousand

The Inundation of the Salton Basin by the Colorado River and How It Was Caused

By Allen Day

Letter Writing Five Thousand Years Ago

By Edgar James Banks

Business and Personal Wants


  • Notes and Queries

  • Departments


  • Recently Patented Inventions

  • Index of Inventions

  • Patents

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April 14, 1906

20% Sitewide for President's Day