هذا Book لا وجود لها في اللغة الخاصة بك, عرض في: English (en),
أو استخدام الترجمة من Google:  

This book may no longer be available in print.

The purpose of this book is to give 5 basic projects which you can do in your home without any special hard-to-use tools or any hard-to-get materials.  We want to show you the way to construct these machines, so you learn the principles and can then apply them to our demonstrated projects or to your own.  Each project contains:  step-by-step building information, photos, drawings, compled plans for construction, parts list, sources, and exact specifications on materials.

52 pages, illustrated

Publication Details

  • Published: 1975
  • Publisher: Lorien House
  • Dewey Decimal: 621.47
  • ECHO Library: 621.47 RAN

الكلمات

Solar Energy