Log book of the S.Y. "Anthracite". [ Ms. log of voyages from Erith to Falmouth, Falmouth to New York, Philadelphia to Falmouth and Falmouth to London under Captain Dent, 1880 May 29-Sept 20. The "Anthracite" was owned by the Perkins Engine Company and was used to test its engines. With 2 letters, 1963 Jul-Aug between Kyrle Willans and the Newcomen Society on the provenance of the log]