The publications of the Navy Department, Hydrographic Office, Coast Survey, Signal Service, Light-House Establishment, and LifeSaving Service; the works of Smith, Evans, and Johnson on Compasses; Maury, Raper, and Riddell on Navigation; Luce, Nares, Harris, Rosser, and Vanderdecken on Seamanship; and the writings of Clement Mackrow and W. H. White on Naval Architecture; the Revised Statutes of the Maritime States, Admiralty Manual of Scientific Inquiry, Naval Science, and the Transactions of the Institution of Naval Architects.
During the progress of the work I have been much encouraged by the practical advice of PROFESSOR EDWARD S. HOLDEN, and am under obligations to many of my brother officers and other friends for suggestions and criticisms while the work has been passing through the press. E. F. Q.
WASHINGTON, June 20, 1881.