Dodgson's Double Headed Pump as fitted to Janus (1796)

Dodgson's Double Headed Pump as fitted to Janus (1796)


380 x 558 mm

Scale: 1:16. Plan showing a plan view, and side and front elevations of Dodgson's Double Headed pump, as fitted to Janus (1796), a captured Dutch Frigate, fitted as a 32 gun, Fifth Rate Frigate, now a receiving ship at Deptford Dockyard. The plan is also annotated with the results from three trials.

Signed by Thomas Pollard [Master Shipwright, Deptford Dockyard, 1795-1799].

This plan has two related documents:

ZAZ6846.1: Titled: "Certificate respecting Dodgson's Double-Headed Pumps"

ZAZ6846.2: Plan showing the double-headed pump with details as invented by George Dodgson - see catalogue entry.

Original size: 558 mm x 380 mm

  • Full-colour art print
  • Reproduced at the same size and scale of the original plan with no border.
  • Image reference: J0715

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