Article February 22, 1900 Issue

The Pan-Helio-Motor

Concentration of Heat Effected by Means of Mirrors.

James M. Thomson

Boston Herald

Within the past two weeks Dr. William Calver, a man of science who has been working for twenty odd years on the vastest material problem which has ever presented itself to mankind for solution, has been granted letters patent simultaneously in the United States, England, Germany, and France on an invention which contains within itself possibilities of a revolution as radical and of a reorganization of society as great as those which followed the first practical introduction of steam power. As a matter of fact the powers of imagination fail when one commences to contemplate the invention and its bearings on society with all the far-reaching consequences of its universal introduction. And yet men have been working for thousands of years at the problem which Dr. Calver claims to have completely solved. Scientists of every generation since the time when it was first propounded by Archimedes have studied and striven for its accomplishment.

The correspondent of the Herald called on Dr. Calver at his home in Washington. The doctor is a man of something past middle age. Like many inventors, he seems thoroughly wrapped up in the work that he has accomplished and the work that he has in view.

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