[Pencil] Sketch of Mr Rangely Rotative Pump; [Ink] Sketch of Knipe's Rotative Pump. [John Rangeley had two relevant patents, 3681 and 4021 in 1813 Apr and 1816 May respectively; Francis Noble Knipe had two relevant patents, 1817 and 1818 in 1791 Jul]

Details

Extent:
2p on 1 leaf
Identifier:
GOOD/A/0684a
Access:
Open Access

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