Science History

With the current worldwide food crisis TGS chose to keep this particular book in print, for the 'old' ways may be the ways to keep you, your family, neighbors, community from going hungry. Though most of the plans are elaborate for greenhouses, the techniques and knowledge of what is necessary are invaluable for any size greenhouse.

The impossibilities of yesterday become the accepted facts of to-day. Here is a fairy tale founded upon the wonders of electricity and written for children of this generation. Yet when my readers shall have become men and women my story may not seem to their children like a fairy tale at all.

Two works from the genius of the 20th Century Nikola Tesla

It would be an interesting thing to make a careful study once a year, towards the end of the summer, of the habits and customs of thunder and lightning. Perhaps in this way we should succeed one day in determining the still mysterious nature of these elusive forces. I, for my part, have been engaged upon the task for many years past.

Day by day it becomes more evident that not one of the many existing theories is adequate to the explanation of the known phenomena: but, in spite of this obvious fact, attempts are still constantly being made, even by most eminent men, to rule the results of experimental science into line with this or that accepted theory.

Hydrogen, possibly the hope for earth's human civilization's insatiable thirst for energy. Hydrogen for fuel and for lift, this book is a series of US Military documents on hydrogen craft and balloons.

A Republished How-To book as part of a collection for urban survival by TGS Publishing. This is not just a general theory book on electricity, as it includes many experiments and diagrams for practical applications. Electricity, like every science, presents two phases to the student, one belonging to a theoretical knowledge, and the other which pertains to the practical application of that knowledge. The boy is directly interested in the practical use which he can make of this wonderful phenomenon in nature.