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Monday 15th July, 10.00 - 13.00: Workshop by Eric Boudot (Beijing), ‘Analysing ancient textile fragments with affordable equipment.’ Location: TRC, Hogewoerd 164, Leiden.

We will use:

  • Dentist tools (to lightly separate the threads)
  • Mobile phone camera
  • Small textile magnifying glass
  • Digital microscopes: Dinolite AM4115ZTL (magnification x10 to x150
  • Dinolite AM4515T8 (magnification x700 to x900)
  • Microtome (Y172 Hartz), Collodion, viscose fibres and razor blades
  • Child loom or even simple self-made frame for reconstruction

What will we be able to see and measure?

  • Thread count
  • Calibres of threads and fibres
  • Pattern steps
  • Disposition of complementary warps and weft sequences: straight or reverse
  • Determine if a the repetition of a motif structure has been produced manually or with the assistance of a patterning system
  • Determine the nature of fibres by microscope observation in longitudinal position Produce transversal section of silk fibres
  • Determine if silk is degummed or not by microscope observation of fibre transversal sections

Weave structure reconstruction:

In order to understand concretely how a woven structure (on which type of loom) is produced, textile researchers need to reproduce the structures that they have observed and analysed.


The number of participants is limited. Please register in advance at This email address is being protected from spambots. You need JavaScript enabled to view it.. For non-ICAS participants there is a fee of €25.

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Hogewoerd 164
2311 HW Leiden.
Tel. +31 (0)71 5134144 /
+31 (0)6 28830428  

The TRC is open again from Tuesday, 2nd June, but by appointment only.

Bank account number:
NL39 INGB 0002 9823 59,
Stichting Textile Research Centre

TRC Gallery exhibition:
5 Febr. -27 August 2020: American Quilts

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The TRC is dependent on project support and individual donations. All of our work is being carried out by volunteers. To support the TRC activities, we therefore welcome your financial assistance: donations can be transferred to bank account number NL39 INGB 000 298 2359, in the name of the Stichting Textile Research Centre.
Since the TRC is officially recognised as a non-profit making cultural institution (ANBI), donations are tax deductible for 125% for individuals, and 150% for commercial companies. For more information, click here
Financial donations to the TRC can also be made via Paypal: