00593cam a2200193 4500 508524935 TxAuBib 20210811120000.0 210811s2021||||||||||||||||||||||||eng|u 66033 Project Gutenberg PGUSA eng TxAuBib Corliss, William R. Direct Conversion of Energy [Gutenberg] / William R. Corliss. Project Gutenberg, 2021. Project Gutenberg ; 66033 Public domain in the USA. Text. Project Gutenberg ; 66033. http://www.gutenberg.org/ebooks/66033