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Hi All, As a quick update to this thread/discussion, I have been able to do some preliminary testing of different parameter combinations on the Whitmore setup in an attempt to achieve more consistent readings from varnished wood samples. These runs (on a varnished section of our Purpleheart sample) along ...

Hi Everyone, Thank you for such thorough and thoughtful responses! This has given us a lot to discuss and think about, and I will be sure to update this thread as we continue acquiring more reference data in the coming weeks. I will have to check the Spectralon standard SPD again when I go to run more ...

Hi Mike, Here is an example of the spectra for Mahogany. The first graph shows unvarnished samples, the second shows the runs on the varnished sections. Unvarnished Mahogany (2 run; #1, #3): Varnished Mahogany: (3 runs; #4, #5, #6) In looking at the DE*00 graph (below), and the varnished spectra (above), ...

Hi All, My name is Grace Wilkins and I am a graduate conservation intern at the J. Paul Getty Museum. My supervisor, Arlen Heginbotham, and I are interested in measuring the light sensitivity of woods commonly used as veneers on European furniture. The museum is exploring the possibility of displaying ...