Branley, Franklyn M.
Solar energy / Franklyn M. Branley ; illustrated by John Teppich. - New York : Thomas Y. Crowell, c 1957. - 117 p. : ill. ; 23 cm.
Includes index.
Bibliography : p. 112
400 400
Solar energy.
523.72 / B734s
Solar energy / Franklyn M. Branley ; illustrated by John Teppich. - New York : Thomas Y. Crowell, c 1957. - 117 p. : ill. ; 23 cm.
Includes index.
Bibliography : p. 112
400 400
Solar energy.
523.72 / B734s