http://book.klll.cc/ebooks/author/39992.opds?sort_order=release_date 2025-11-17T10:33:26Z Books by Gray, Andrew Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-11-17T10:33:26Z https://en.wikipedia.org/wiki/Andrew_Gray_(physicist) See also: en.wikipedia 2025-11-17T10:33:26Z https://book.klll.cc/ebooks/39373.opds Lord Kelvin: An account of his scientific life and work Andrew Gray