"Transcribed from the Proceedings of the Institution of Civil Engineers, Vol. 17 (1858) pp. 195-220."
"Transcribed by Lynne Mayers"--Cover.
On the methods generally adopted in Cornwall in dressing tin and copper ores by James Henderson. ISBN 9780955689673. Published by Blaize Bailey Books in 2009. Publication and catalogue information, links to buy online and reader comments.