will be pleased at the ease with which the field opens. The
encouraging words of your associates and the echoes of the good you
are doing will strengthen your confidence.


~~Equipment and Materials.~~

The necessary equipment and materials for the work include the drawing
board, the drawing paper and the chalk (or lecture crayons).


~~The Drawing Board.~~

Probably your school has a reversible blackboard mounted on an easel,
like that shown in Fig. 1. If so, you will find it amply sufficient
for your use. The two or three little holes made by the thumb tacks,
to attach your drawing paper to the board, at the top, will not injure
it in the least. If you haven't such a board, it would be well to
procure one, as it can be used for many purposes. The writer has often
used a board of this kind in giving chalk talks. The publishers of
this book will be glad to give full information as to size and price
of such a board.

[Illustration: Fig. 1]

[Illustration: Fig. 2]

Another convenient and cheap equipment is an ordinary square board,
Fig. 2. If you take six boards, each 45 inches long, 7 inches wide and
1/2 inch thick, and attach them to two cleats at the back, you will