project


Sonic Tomography

Sonic Tomography on Figurehead at Orbis Conservation

Topaze Test 2:

As part of the Figurehead conservation project we were instructed to carry out analysis of the structural stability and condition of the collection. After considering the usual analytical techniques available to us, we could not find an option suitable for the scale of the figureheads, with the largest measuring over 4 metres tall.

After researching analytical techniques used in other professions associated with large scale objects composed of damaged wood/timber, we looked into Sonic Tomography. Designed for measuring decay cavities within living tree stems, the technique is ordinarily used to assess the condition of a tree. We hoped that the technique could be transferred to our large timber sculptures.

After carrying out tests, we compared the tomographs to areas of the figurehead which we could access internally. The results were accurate and gave a good indication as to the internal condition of the timber. Unfortunately for Topaze, the condition was found to be severely degraded, yielding very little structural integrity to the sculpture. We have now begun taking her apart into the constituent blocks that she was made from in order to conserve each section before reassembling around a new armature.

Related Articles


The Figureheads set sail
–––

The Figureheads set sail

Read more about The Figureheads set sail
New Project: Another set of Ships' Figureheads

New Project: Another set of Ships' Figureheads

Read more about New Project: Another set of Ships' Figureheads
The Calderstones, Liverpool
–––

The Calderstones, Liverpool

Read more about The Calderstones, Liverpool
Abney Park Monuments
–––

Abney Park Monuments

Read more about Abney Park Monuments

Please fill out the form below and a member of our team will be in touch.

Thank You