Reply To: Pre-war Mercury/Wizard gear cases

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March 23, 2020 at 9:25 pm #198166
ROBERT LAFAYETTE
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    Pump Info
    .
    Notice the spring in second video?
    That is why I feel the rubber must have some compliance
    to it, in order to act like the spring?

    https://www.apexequipmentltd.com/hollow-disc-pumps/

    https://www.youtube.com/watch?v=Qtc7tHRTAHA

    https://www.youtube.com/watch?v=vKgrPnttOi8