Safe and Simple Electrical Experiments picture frames

picture frames

the use of stars and constellations in the Bible and other sacred writings

with 28 engravings by de Bry (from John White) of Indian villages

they take you to a twilight region of flesh and spirit — and into the darkest recesses of the human mind

human body

Safe and Simple Electrical Experiments picture framesMore than 100 entertaining projects and experiments are a fast and reliable way of learning basic principles of electricity. For maximum exposure to the fundamentals, three major categories static electricity, magnetism, and current electricity and electromagnetism are treated separately. No special or expensive materials are required. Detailed instructions and illustrations. Reprint of The Safe and Simple Book of Electricity, 1964.