£250
By HYDROGRAPHIC OFFICE, Septr. 12th 1855. Large corrections Novr. 1874. Dec. 1886, Dec. 1887, Nov. 1891. Small corrections [to 18]92.
£500
By UNITED STATES HYDROGRAPHIC OFFICE, April 1885. Corrected to May 15 1897.
£10,000
By NORIE, J[ohn] W[illiam], October 1st, 1825. Corrected to 1826.
£250,000
By MERCATOR, Gerard, Anno 1636 - 1638.
£40,000
By MELA, Pomponius., 18th July, 1482.


