£1,250
By HYDROGRAPHIC OFFICE, New Edition 19th February, 1923.
£1,250
By HYDROGRAPHIC OFFICE, 30th Oct., 1925. Small corrections to 1932.
£1,250
By HYDROGRAPHIC OFFICE, 25th May, 1927. Small corrections to 1932.
£125,000
By GASTALDI, Giacomo' Paolo FORLANI; and Ferrando BERTELLI, 1562 and c1568].
£5,000
By CONGALTON, Samuel; and John Turnbull THOMSON, 1846. Additions to 1855.