Page:Handbook for Boys.djvu/231

210 War or trouble about.

Peace.

Road to be followed.

Letter hidden three paces from here in the direction of arrow.

This path not to be followed.

"I have gone home."

WIRELESS TELEGRAPHY

The Boy Scouts Wireless Club

Y.M.C.A.,Newark, N.J. The following directions are given for an up-to-date wireless apparatus for stationary use in the home or at the meeting place of each patrol.

We will consider the receiving apparatus first:

The first thing to do is to build an aerial. First find out how long your location will allow you to build it, and how high. It ought to be at least 5o to 6o feet high and about 70 to 100 feet long. The main point in building an aerial is to have it