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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