He said immediately: "That comes from the angle of the bell being wrong." He explained how it should be changed.

Our Mr.Kloman was slow to believe this, but I urged that a small glass-model furnace and two bells be made, one as the Lucy was and the other as Mr.Whitwell advised it should be.

This was done, and upon my next visit experiments were made with each, the result being just as Mr.Whitwell had foretold.

Our bell distributed the large pieces to the sides of the furnace, leaving the center a dense mass through which the blast could only partially penetrate.

The Whitwell bell threw the pieces to the center leaving the circumference dense.