An inexpensive economical solar heating system for homes
By: Johnny W. Allred ... [et al.] ; Langley Research Center, Hampton, Va.
Contributors: Allred, Johnny W.; Langley Research Center.; United States. National Aeronautics and Space Administration.
Series: NASA technical memorandum ; NASA TM X-3294; NASA technical memorandum -- X-3294.
Publisher: U.S. National Aeronautics and Space Administration; for sale by the National Technical Information Service
Published: 1976
Place of publication: Washington; Springfield, Va
Language: eng
Number of pages: 56
Subjects: Solar heating.
Notes: Cover title.

Bibliography: p. 56.