The map has been engraved by John & Charles Walker for The Society for Promoting Christian Knowledge (SPCK)'s Atlas. Walker/SPCK, 1860, The Islands of New Zealand. An interesting and detailed 19th century steel engraved map of New Zealand which was engraved by J. & C. Walker and ‘published under the Superintendence of the Society for Promoting Christian Knowledge’ (London: S.P.C.K., 1838).
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