Building: floor joists, simple and composite wooden beams. Engraving by J. Davis after R. Tredgold, 1820.

  • Tredgold, R., active 1820.
Date:
1 June 1820
Reference:
44310i

Licence: Public Domain Mark

Credit: Building: floor joists, simple and composite wooden beams. Engraving by J. Davis after R. Tredgold, 1820. Wellcome Collection. Source: Wellcome Collection.

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