Technical drawing: conventions for colour-coding materials in architectural elevations. Colour lithograph by Mackay & Kirkwood, 1860.

    Date:
    [1860]
    Reference:
    46081i
    Catalogue details

    Licence: Public Domain Mark

    Credit: Technical drawing: conventions for colour-coding materials in architectural elevations. Colour lithograph by Mackay & Kirkwood, 1860. Wellcome Collection. Source: Wellcome Collection.

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