Published Resources Details Journal Article
- Letters to the Editor: Torpedo Boats
- vol. 30, 5 November 1880, p. 401
John Donaldson of John I. Thornycroft and Co. Church Wharf, Chiswick, London, replies to Mr. Schonheyder and asks him how he made his calculations regarding the horsepower developed in the high and low-pressure cylinders of John I. Thornycroft and Co's. boats.