J. S. Enys
- (1842): Remarks on the Duty of the Steam Engines Employed in the Mines of Cornwall at Different Periods. Dans: Transactions of the Institution of Civil Engineers, v. 3, n. 5 (janvier 1842).
- (1841): On the Economy of Working Expansively in Crank Engines. Dans: Minutes of the Proceedings of the Institution of Civil Engineers, v. 1, n. 1839 ( 1841).
- (1841): Observations on the Efficiency or Gross Power of Steam Exerted on the Piston in Relation to the Reported Duty of Steam Engines in Cornwall, at Different Periods. Dans: Minutes of the Proceedings of the Institution of Civil Engineers, v. 1, n. 1840 ( 1841).
- (1841): On the Stamping Engines in Cornwall. Dans: Minutes of the Proceedings of the Institution of Civil Engineers, v. 1, n. 1840 ( 1841).
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