The Interrupttape

The Heliograph Flashes the Wireless Code

Title Page of Old Book

The Army of Miles Standish

The View from the Windows

Playing the Game from Printed Directions

Forest Snowshoes

Strange Companions but Good Friends

A New Use for an Old Screen

With Terror in Her Heart, She Sped Down the Bank

The Action of Standing

A Coal Breaker

The Railroad Semaphore Is a Mechanical Messenger

The Lighthouse Sends Warnings by Sight and Sound

Circles of Ever-Widening Ripples Caused by the Throwing of a Stone

Summary of the Preceding Text

The Alphorn Calls Swiss Sheperds at Sunset

Willing to Be Enemies

Where to Get Clay

An Interesting River Channel

Primitive People Communicate with Signal Drums

High in the Tower the Bell Tolls out Its Message

Mother Using Perception Card

Obeying the Chalk

American Carrier

Trumpets Are Still Being Made from Conch Shells

Map Showing Seasonal Migrations of the Golden Plover

Lesson Based on a Famous Painting

Beasts of Burden from Far Lands

Seeing the Results of Independent Work