Books by H. Dienel

In 1877, university Professor Carl von Linde obtained a patent for his refrigerator from the Imperial Patent Office - a patent for something that was not merely an invention, but the result of serious research in the basic laws of physics.

In 1877, university Professor Carl von Linde obtained a patent for his refrigerator from the Imperial Patent Office - a patent for something that was not merely an invention, but the result of serious research in the basic laws of physics.