W. J. Henwood

1805 – 1875

• A summary of experiments recently made on the temperature of mines
• Account of experiments on the performance of some steam engines in Cornwall
• Account of the steam-engines in Cornwall
• Notice of the performance of steam-engines in Cornwall for April, May and June 1829
• Notice of the performance of steam-engines in Cornwall for April, May and June 1830
• Notice of the performance of steam-engines in Cornwall for January, February and March 1829
• Notice of the performance of steam-engines in Cornwall for January, February and March 1830
• Notice of the performance of steam-engines in Cornwall for June, July, August, and September 1828
• Notice of the performance of steam-engines in Cornwall for June, July, August, and September 1829
• Notice of the performance of steam-engines in Cornwall for October, November and December 1828
• Notice of the performance of steam-engines in Cornwall for October, November and December 1829