Repr. with a new introduction _ This ed. originally published. Cornwall : Cornish Engines Preservation Society, 1953. _ Previous ed.: 1950.
Cornish pumping engines and rotative beam engines : containing a reprint of a book published in 1953 by the Cornish Engines Preservation Society. ISBN 0904040461. Published by Trevithick Society in 1998. Publication and catalogue information, links to buy online and reader comments.