[Bonetools] bone details with screw thread

[griffitt at email.arizona.edu]

Hi

Just one more comment -- I don't know when they started being able to
mechanically carve screw threads in bone, but there's a photo of a
screw-threaded late 17th century bone needle case from Boston with screw
threads in Mary C. Beaudry's 2006 "Findings: the material culture of 
needlework
and sewing"(p. 78), Yale University Press.


Jan

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Jan Griffitts
Visiting Scholar
Dept. of Anthropology,
Tucson,Arizona

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Quoting Heidi Luik <heidi.luik at mail.ee>:

> Dear Katherine,
>
> Thank you very much. Yes, it is possible, they have quite similar
> shape. But I am just wondering why should these bobbins have screw
> thread? I add two pictures from van Vilstern's book (sorry for the
> bad quality), no 122 there is a bobbin, and it does not have screw
> thread. No 120 is a pincushion holder, which has a detail with screw
> thread. But what it is interesting: when they started to cut these
> screw threads into bone (and probably also wooden) artefacts? As I
> understand it is not possible with simple turning lathe but needs
> some special lathe (thread milling cutter?). (I am sorry, maybe I do
> not use right expressions for these things in English)
>
> Heidi
>
>
> At 14:55 29.03.2011, you wrote:
>> Dear Heidi: These are almost certainly bobbins for making lace on a
>> pillow, and similar pieces are still in use all over the world (though
>> many of them are heirlooms).  Dating them or their use based on
>> manufacture would be problematic.
>>
>> Good luck with this though,
>>
>> Kate Moore
>>
>>
>>
>> Quoting Heidi Luik <heidi.luik at mail.ee>:
>>
>>> Dear all,
>>>
>>> My colleague from Tartu asked me about some small bone details with
>>> screw thread. These probably come from the 18th-20th century
>>> context. I have some similar pieces from Tallinn also. In Tallinn
>>> they are from mixed layer, but 18th-19th century looks most likely
>>> here too. My colleague would like to know if such objects could have
>>> earlier date also, and when screw thread cutter was introduced. I
>>> hope maybe some of you has more experience with such things or maybe
>>> you can suggest some publications about the topic.
>>> (I have found some similar objects in the book: Vilsteren, V. T. van
>>> 1987. Het Benen Tijdperk. Gebruiksvoorwerpen van been, gewei, hoorn
>>> en ivoor 10.000 jaar geleden tot heden. Drents Museum, Assen.)
>>> In the attachment are some photos of such objects.
>>>
>>> Thank you in advance,
>>> Heidi
>>
>>
>>
>> Zooarchaeology Laboratory
>> University of Pennsylvania Museum of Archaeology and Anthropology
>> 3260 South Street
>> Philadelphia, PA 19104 USA
>>
>>
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>
>
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