00726cam a2200193 4500 377074704 TxAuBib 20170330120000.0 160924s2016||||||||||||||||||||||||eng|u 53139 Project Gutenberg PGUSA eng TxAuBib Hawkins, Nehemiah. Maxims and Instructions for the Boiler Room [Gutenberg] : Useful to Engineers, Firemen and Mechanics; Relating to Steam Generators, Pumps, Appliances, Steam Heating, Practical Plumbing, etc / N. Hawkins. Project Gutenberg, 2016. Public domain in the USA. Text. Steam-boilers -- Handbooks, manuals, etc. http://www.gutenberg.org/ebooks/53139 TXCAN