Note 2 — Chapter X · The Steam Engine.
Reading edition
Prof. Thurston’s estimate doubtless includes war vessels, which Mulhall’s later estimate does not (see Mulhall’s “Industries and Wealth of Nations,” 1896, pages 4 and 379).
Reading edition
Prof. Thurston’s estimate doubtless includes war vessels, which Mulhall’s later estimate does not (see Mulhall’s “Industries and Wealth of Nations,” 1896, pages 4 and 379).