Grant of Patent to John Griffith of Menai Bridge for a wind driven pump for ships. Patent No.727 Grant and Letters Patent Sealed by Great Seal of Queen Victoria, 1867  (Seal in metal case)

Grant of Patent to John Griffith for a wind driven pump for ships. | National Museums Liverpool

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Grant of Patent to John Griffith of Menai Bridge for a wind driven pump for ships. Patent No.727 Grant and Letters Patent Sealed by Great Seal of Queen Victoria, 1867 (Seal in metal case)

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https://www.liverpoolmuseums.org.uk/artifact/grant-of-patent-john-griffith-wind-driven-pump-ships

Grant of Patent to John Griffith for a wind driven pump for ships.

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https://content.liverpoolmuseums.org.uk/artifact/grant-of-patent-john-griffith-wind-driven-pump-ships

Grant of Patent to John Griffith for a wind driven pump for ships.

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