Author Topic: Maker of this weight?  (Read 876 times)

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Offline mmarc77

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Re: Maker of this weight?
« Reply #10 on: December 16, 2012, 10:38:06 PM »
Thanks Alan, I didn't realize that purple was caused by too much manganese in the batch. Good to know.


Offline KevinH

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Re: Maker of this weight?
« Reply #11 on: December 16, 2012, 11:28:14 PM »
Some people get excited by purple, or other dark glass in Ysart weights as it is thought by many to be proof of manufacture in the 1930s. :)
KevinH


Offline Lustrousstone

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Re: Maker of this weight?
« Reply #12 on: December 17, 2012, 07:49:15 AM »
It must surely be excess manganese in the batch possibly plus a little sun purpling because over here even Victorian glass struggles to achieve more than a grey or pale lilac after 100 years plus


 

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