Historic Inventions. By Rupert S. Holland.

Contains accounts of the Printing Press, the Telescope, the Steam Engine, the Locomotive, the Steamboat, the Spinning Jenny, the Safety Lamp, the Cotton Gin, Porcelain, the Telegraph, the Telephone, the Electric Light, the Submarine Boat, the Wireless Telegraph, and the Airship. 12 to 18.

How it Flies. By Richard Ferris.

The story of man’s endeavors to fly and of the inventions by which he has succeeded. The book gives the reader a good idea of the different types of aeroplanes, of how they are constructed, and how operated. 14 to 18.

How It is Done; or, Victories of the Engineer. By Archibald Williams.

Describes in an easily understood manner how great engineering achievements in all parts of the world have been accomplished. 14 to 18.

How it is Made. By Archibald Williams.

Tells in simple language how various machines and many articles in common use are manufactured from the raw materials. 14 to 18.

How it Works. By Archibald Williams.

Deals with steam, electricity, light, heat, sound, hydraulics, etc., and with their application to apparatus in common use. 14 to 18.