Title: Power performances within the laws of nature and how they are controlled
Description: This book contains a series of lectures presented over radio station WRHM, and sponsored by Heating systems, inc. ... Minneapolis, Minnesota, as a contribution to that brilliant engineer, Mr. Dewitt A. Brunett.—Introd.
Subjects: Atmospheric pressure, Economic conditions, Heating
Places: United States
Time periods: 1918-1945