APPENDIX No. 4. TUESDAY, 24th. Sounding in the 1st Cutter, WILLIAM REEDER, Leadsman. Sextant used, D 56. Line correct at starting. AUGUST 24, 1847. (Officer's Name, Mr. D. HALL.) NOTE. The objects are here placed according to their observed relative positions, and should always be so written down: the right-hand angle being invariably read off first. APPENDIX No. 5. THE number of Miles or Minutes of the Equator contained in a Degree of Longitude under each parallel of Latitude for the Spheroid. Compression. APPENDIX No. 6. THE following form of a Monthly Register of Tides, in which the phenomena of each successive tide throughout the month are presented in the order of their occurrence (the data afforded by observation being entered separate from the conclusions deduced from them by graphical interpolation and by calculation), may be advantageously substituted for the form occupying pages 102, 103, in the first edition of this work: |