Samuel Hall's patent improvements on steam engines
Publisher: J. Weale; Printed by J. and J. Mawdsley
Published: 1837
Place of publication: London; Liverpool
Language: eng
Number of pages: 20
Subjects: Steam-engines; Early works to 1850; Condensers (Steam)
Other titles: Patent improvements on steam engines.
Notes: Rare Book copy: Two autograph. letters signed from Joshua Field to the author tipped in.

Imprint date taken from the last letter (p. 16).