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Features

Far-Sighted Policy of Improvement

The Wright Aeroplane Infringement Suit

Anchoring Down the Floor of the Gatun Locks

Electricity

Engineering

Science

Repairing the Crushed-in Bow of the Florida

The Edison Concrete House

Lightning

The Long Island Portal of the Pennsylvania Sub-River Tunnels

The Number of our Ancestors

First American to Cross the Channel through the Air

An Automobile Wireless Telegraph Station

Sad-Iron Heater and Receptacle

Patent Department

Slat Adjuster for Window Blinds

Telescopic Steering Gear

Wave and Gravity Motor

Resonator for Telephones

A Portable Lamp

Departments

  • Departments

    Correspondence

  • The Heavens in September

  • Recently Patented Inventions

  • New Books, Etc.

  • Patents

  • Index of Inventions

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