Dear friends,
A friend of mine has been intrigued by how the old lacemakers lamps
actually worked - you know the candle behind the glass sphere filled
with distilled water. He put this problem to a scientists friend who
replied with this formula. It's way beyond what I can remember of
maths. I
I have one of the globe lamps, a replica, beautifully made and I tested it
out. It works:-) I just got this little chink of light shining on the spot
I was working on. I have to say though that it gives you a new kind of
understanding and respect for the lacemakers of the day.
Sue T
Dorset
Very interesting! Thanks for the info, David. The entry on Luneburg lenses in
Wikipedia ( http://en.wikipedia.org/wiki/Luneburg_lens ) includes this sentence
The solution takes a simple and explicit form if one focal point lies at
infinity, and the other on the opposite surface of the lens.
Sorry sorry!! I forgot to trim, and I do sympathize with the digest
subscribers. Mea culpa.
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arachne.modera...@gmail.com. Photo site:
I went on Saturday with other members of Norfolk Lacemakers to demonstrate at
Norwich Castle in the Fashion Passion show which was a platform for all
things fibre and fashion. There were many others doing all sorts, knitting,
embroidery, spinning, fashion students, and much much more. We had
https://www.cs.arizona.edu/patterns/weaving/lace.html#webdocs
My article on Lace Lamps, the Great deception ( see url above) has a
picture of a lace lamp being used which i set up during my visit to the
UK a number of years ago.
Frankly it worked quite well.
I have used mine in power
Sue Harvey 2harv...@tiscali.co.uk wrote:
I went on Saturday with other members of Norfolk Lacemakers to demonstrate at
Norwich Castle in the Fashion Passion show which was a platform for all
things fibre and fashionI feel the day was a great success for us as we had
many enquiries
