00638cam a2200181 4500 410544048 TxAuBib 20190116120000.0 200114s2020||||||||||||||||||||||||eng|u 61169 Project Gutenberg PGUSA eng TxAuBib Adams, George Burton. Essays on the Microscope [Gutenberg] : Containing a Practical Description of the Most Improved Microscopes, a General History of Insects, etc., etc / George Burton Adams. Project Gutenberg, 2020. Public domain in the USA. Text. http://www.gutenberg.org/ebooks/61169 TXKNC