cantilevers from three and a half to six times as much, and his anchorages for suspension bridges about twice as much. This gives further proof of the statement previously made to the effect that his entire economic investiga-

tion is incorrect and that the deduction which he makes therefrom concerning the span length for equal cost is wrong.

In thus criticizing Dr. Steinman's little book, the author does so merely because he feels that the profession should not be left in error on such an