Technology: section and elevation of the Bramah and Marshall locks. Coloured engraving by J. Pass, 1813.

    Date:
    Sep.r 6 1813
    Reference:
    44377i

    Licence: Public Domain Mark

    Credit: Technology: section and elevation of the Bramah and Marshall locks. Coloured engraving by J. Pass, 1813. Wellcome Collection. Source: Wellcome Collection.

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