Energy Book #1: Natural Sources & Backyard Applications

John Prenis

Philadelphia

:

Running Press

,

1976

.
Second Printing.

33cm x 25.5cm. 112 pages, black and white illustrations. Illustrated wrappers.

Plans for a wide range of machines from wind generators to a hydrogen-oxygen car, solar water heaters to backyard bio-gas.

Moderate shelf wear to wrappers. Minor tanning to edges. Very Good Condition.