Date of Birth: 
About John Samuel Enys
- John Samuel Enys (21 September 1796 – 29 May 1872) was a British mining engineer and scientist who wrote several important papers on the "duty" of steam engines and other types of power delivery, from water wheels to horses.
- He also made numerous studies on the extensive mining industry in Cornwall.
- On the death of his great uncle, Francis Enys in 1821 he inherited the Enys Estate, near Penryn, Cornwall and was appointed High Sheriff of Cornwall in 1824.
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