Skip to main content

Features

Dr. Cook and the North Pole

The Transatlantic Record

The Elimination of Grade Crossings

Economic Loss of Overcrowding

Electricity

Science

Engineering

Counting Our People by Machine

By M. Hamilton Talbot

How Sudd Chokes the Nile River

By Day Allen Willey

The Recent Curious Eclipse of the Sun

The Seven Bridges of Königsberg and Other Puzzles

By J. F. Springer

Termination of the Rheims Aviation Meeting

A Novel Cantilever Grain Elevator

Dr. Cook's Discovery of the North Pole

Departments

  • Departments

    Correspondence

  • Index of Inventions

  • Patents

  • New Books, Etc.

  • Notes and Queries

  • Recently Patented Inventions

Purchase To Read More

Already purchased this issue? Sign In to Access
Select Format
September 11, 1909

Feeling Dead Inside?

Tear Into Our eBook