Publication Date:
2019-06-28
Description:
Do-it-yourself supplementary solar-heating system is available for purchase at approximately $2,000. Report describes design, construction, testing, and economic analysis of low-cost solar heating system.
Keywords:
MACHINERY
Type:
LAR-12135
,
NASA Tech Briefs (ISSN 0145-319X); 1; 4; P. 626
Format:
text
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