Glass Message Board
Glass Discussion & Research. NO IDENTIFICATION REQUESTS here please. => Glass Reference Websites => Topic started by: Anne on December 24, 2010, 01:19:00 PM
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Interesting potted history of PLUS glasshytta, Frederikstad, Norway, with photos of designs by named designers:
http://effie-graa.com/egc/library/unpublished/info_plusglass.htm