mtaylor Posted May 26, 2013 Share #1 Posted May 26, 2013 The French frigates, and I'm not sure about other French ships, used a variation of the elm tree pump that the English used. It involved an hourglass shape at the top of the pump shaft to which weights were secured. This hourglass was then tied off and ran up to a lever on a post or mast. See video for the L'Hermione replica's pump in action. My question is simple yet... I'm not sure of the answer. Would the pump shaft have been metal or wood? What about the hourglass shape? It appears to have been wood. Quote Link to comment Share on other sites More sharing options...
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