Intersting article
#1 Guest_Clive_*
Posted 16 August 2009 - 09:25 PM
P. Reischig, J. Blaas, C. Botha, A. Bravin, L. Porra, C. Nemoz, A. Wallert and J. Dik
Abstract: One of the most fascinating objects in the Rijksmuseum (Amsterdam, The Netherlands) is an early 16th century prayer nut. This spherical wooden object measures 4 cm in diameter and consists of two hemispheres connected with a small hinge so that it can be opened. The interior of the nut holds wood carvings with scenes from the life of Christ. These miniature reliefs show an incredible degree of finish with carving details well beyond the millimetre scale. In the present paper it is shown how synchrotron-based computer X-ray tomography revealed the structure and fabrication method of the bead. The central part of the relief was cut from a single piece of wood, rather than assembled from multiple components, underlining the extraordinary manual dexterity of its maker. In addition, a piece of fibrous material contained in the inner structure of the bead is revealed. This may have served as a carrier for an odorous compound, which would be in line with the religious function of the prayer nut.
#3 Guest_Clive_*
Posted 17 August 2009 - 01:38 AM
#4
Posted 17 August 2009 - 11:28 PM
Very interesting indeed!
There is a similar, perhaps slightly more ornate, piece in the Metropolitan Museum of Art in NY, here: Rosary bead
Phil
#5 Guest_Clive_*
Posted 18 August 2009 - 12:07 AM
#6
Posted 18 August 2009 - 01:58 PM
Probably the best scents for wood are the essential oils, of which there are dozens, ranging from the tree scents - juniper, cedar, sandalwood, tea tree - through the herb scents - sage, thyme, rosemary - to the flower scents - rose, jasmine, lily of the valley, etc. Add in the citrus scents and grasses, too. Alcohol-based perfumes would probably dry out wood too much. Also, alcohol perfumes are difficult to work with; scents are transient unless you fix them with something disgusting-smelling like civet or deer musk.
How to mix them? You have to develop what parfumiers call a "nose" for the right blend of ingredients, with deep, medium and light notes. Deep, underlying notes, which linger longest, can be created with something like a mixture of lavender and cypress; medium notes could be of the bergamot, rose, vetiver variety; light notes, which are the first to vanish, might be the citrus ones, orange blossom, lily of the valley, etc. The more earthy tones are likely to reside in the deep notes. The skill is to blend them into a complex that's reasonable to most people, while remembering that everyone smells a perfume differently. It takes years to develop the art, but is worth having a bash.
Another trick with netsuke, I'd assume, is to perfume the box you sell it in; the wood would pick up the perfume. It's often the reason why sandalwood boxes were carved to hold small objets d'art. I'd be loathe to try out the oils on bone or ivory in case they discoloured the surface, or ate into it.
#7
Posted 18 August 2009 - 06:11 PM
Attached image(s)
#8 Guest_Clive_*
Posted 18 August 2009 - 08:36 PM
#10 Guest_Clive_*
Posted 18 August 2009 - 11:20 PM
#11
Posted 19 August 2009 - 12:59 PM
I think I'd have fun for hours just opening and closing those objects.
#12 Guest_Clive_*
Posted 19 August 2009 - 05:10 PM
Sorry Janel if the picture is large.. but I think in this instance its worth it... scroll across to get the full pic
Attached image(s)
#13
Posted 19 August 2009 - 11:20 PM
This is an amazing image. You can see the details of fabrication, and the tool marks left by the small gouges and chisels on the figures and in the recessed areas. I expected to see more evidence of scraping. Fantastic!
Thanks, Clive!
Phil
#14
Posted 20 August 2009 - 12:04 AM
I was secretly wishing that someone would provide a larger image
Has there been any revelation about the tools that were used by the carvers in those days?
Is there an outside part and an inside part created separately? Is there any evidence of the pieces being turned on a lathe to create the beginning shape?
Janel
What you can do, or dream you can, begin it; Boldness has genius, power and magic in it. ~ Goethe ~
Janel Jacobson's web site
#15
Posted 20 August 2009 - 12:52 PM
There is clear evidence that the hemispheres were turned first. The interior (figurative) portions are separate pieces, pegged to the outer shell. The top arch of the upper scene is also a separate piece.
Finally, some of the pikes and crosses will sculpted separately and inserted into drilled holes.
#16 Guest_Clive_*
Posted 20 August 2009 - 01:16 PM
#17
Posted 20 August 2009 - 01:17 PM
Yes, I would like to see the article, thanks for the offer. Your descriptions answer some questions that I had, too. I wonder if the arch at the top being separate has to do with the hinge or latch construction.
Janel
What you can do, or dream you can, begin it; Boldness has genius, power and magic in it. ~ Goethe ~
Janel Jacobson's web site
#18
Posted 20 August 2009 - 01:50 PM
A_note_on_medieval_microfabrication.doc (169.5K)
Number of downloads: 159
From the Journal of Synchrotron Radiation, Vol 16, March 09 p.310-313
Enjoy!
Janel, as the authors surmise, the separate arch at the top of the scene may have been so carving tools and the tiny drill bit could gain access for undercutting.
#19
Posted 20 August 2009 - 05:18 PM
The text was scanned and then run through a OCR system to convert it to a workable format, so there might be a few typos.
Looks like this collection is in your neck of the woods, Phil.
carvingtext.doc (524K)
Number of downloads: 226

#20
Posted 20 August 2009 - 05:22 PM



I've got higher resolution scans of all of these if someone wants me to send a big file privately.
-Doug

Help





