When the same European methods have been pushed on a commerciaHzed basis in America, little attempt has been made to follow existing American standards or trends toward the development of an ultimate universal language. The tendency has been to use stock symbols over and over again because they are cheaper to reproduce than special drawings designed for each particular problem of presentation.

The first part of this book up through page 366 deals with "How to Read a Chart." The section from page 366 to page 452 treating the subject "How to Make a Chart," is necessarily condensed, and gives suggestions rather than detailed instructions.

The illustrations in this book have been selected from the standpoint of interesting subject matter as well as to show representative types of graphic

AND All h^ere in the ivrong!

Good Presentafion Should Be Susceptible to Only One interpretation

It was six men of Indostan The Fourth (knee) "Is very like a tree!" To learning much inclined,

Who went to see the Elephant (Though all of them were blind.)

That each by observation Might satisfy his mind.

The Fifth (ear) "Is mighty like a fan!"

The Sixth (tail) "Is very like a rope!"

The First (side) "Is very like a wall!"

The Second (tusk) "Is very like a spear!"

The Third (trunk) "Is very like a snake!"

And so these men of Indostan

Disputed loud and long, Each in his own opinion

Exceeding stiff and strong Though each was partly in the right.

And all were in the wrong!