Earth Sciences

Written for the young explorer, but with today's economy in the crapper, it could be one of the most needed survival books in print.

This small treatise examines the theory of a Saturn-like Earth.

Great for anyone studying the elements and anomolies of electricity and magnetism. A good handbook for survival, or the person experimenting to create a free energy device.

Hydrogen gas, on being freed, is the most expansive of all elements, and its molecules assume great spheres (like the soap bubbles blown by children) of which the shell is the entity -- the matter -- surcharged from the centre by repulsive force, and the interior of the globe is absolute space, emptiness, nothing.

Short study of the calendrical zodiac found in Dendera.

For those enthusiasts that really want to reduce their carbon footprint, compressor-less ammonia air conditioning may be the key. Ice making houses existed BEFORE electricity and electric refrigerators. These old reprints give the practical applications that make it work.

Written in 1922, the author predicted the supply and costs of gas and other petroleum products was not to be infinite. He advocated and taught that we should be using alcohol to preserve and have substitutes available. Great reference work for those considering making their own alcohol based fuels.