How the energy of nature has been harnessed for man's use.
By: Oscar L. Brauer, P. Victor Peterson, Gertrude W. Moore, Science department, San Jose state college. Published by California state Department of education.
Contributors: Peterson, P. Victor 1892-; Moore, Gertrude Witherspoon Mrs., 1909-
Series: California. [Committee on science guide for elementary schools] Science guide for elementary schools,; vol. II, no. 4
Publisher: [California state printing office, G. H. Moore, state printer
Published: 1935
Place of publication: Sacramento
Language: eng
Number of pages: 48
Subjects: Force and energy.
Notes: "Annotated references": p. 47-48.
Cover title.