Hello Gordon, and welcome to the board.
Thanks very much for doing the right thing and removing the offending material. I think we recognise that it was an honest mistake.
It would be acceptable to use any of the information, as long as the information was paraphrased, the source credited, and none of the photographs were used.
Glass researchers care very much about their copyright. Angela has put an enormous amount of time, effort and money into developing her Glass Museum, for very little return, and so naturally we flew in to support her when the copyright breach was noticed.
Good luck with the Jobling bowl, and we look forward to seeing you here.
(You might be interested to know that one of your pieces is classic Mdina from Malta)