[Bonetools] bone details with screw thread

[Genevieve Lemoine]

Dear Heidi,

I don't have any good pictures, but in our collection we have various carved
ivory and/or whalebone pieces with screw threads, but I don't' think any of
them were cut with special lathes, rather they were hand-carved by Inuit
carvers, or in some cases whalers. They include necklaces with screw clasps,
a needle case, and crochet hooks. All are late nineteenth and early
twentieth century. I'll try and get some images. They are pretty amazing,
but then, so are (were) some of the Inuit carvers.

Genny

-- 
Genevieve LeMoine
Curator/Registrar
The Peary-MacMillan Arctic Museum and Arctic Studies Center
Bowdoin College
9500 College Station
Brunswick, Maine 04011

207-725-3304 (voice)
207-725-3499 (fax)

glemoine at bowdoin.edu

http://www.bowdoin.edu/arctic-museum/
http://www.ilapweb.info/

On 3/29/11 8:39 AM, "Heidi Luik" <heidi.luik at mail.ee> wrote:

> Oh, sorry, of course I forgot to add the attachment.
> Heidi
> 
> At 15:32 29.03.2011, you wrote:
>> 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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-- 
Genevieve LeMoine
Curator/Registrar
The Peary-MacMillan Arctic Museum and Arctic Studies Center
Bowdoin College
9500 College Station
Brunswick, Maine 04011

207-725-3304 (voice)
207-725-3499 (fax)

glemoine at bowdoin.edu

http://www.bowdoin.edu/arctic-museum/
http://www.ilapweb.info/