... I'm going to contact the Sunderland National Glass Centre ...
Pinky — Are you sure? My experience is that it is Sunderland Museum that is the organisation with the responsibility for Sunderland's historic industry, not the National Glass Centre.
See http://www.twmuseums.org.uk/sunderland/collections.php
I don't know what glass is on display at this museum, and it's not clear from the website. It's probably best to check before going.
About eight or so years ago we visited the former Sunderland Museum & Art Gallery in Borough Road in the centre of Sunderland. My recollection is that there was no display of Hartley Wood art glass or Pyrex, but permanent displays of:-The 1820s Londonderry cut suiteSunderland Bridge rummersGreener & Turnbull pressed glassJobling 1930s art glass.
Included in this display were three rare stunning Art Deco classics:-The Jobling tall centrepiece figurine that never went into productionThe box for a pair of Jobling 10400 Opalique squirrel carver rests*A disparate pair of 1932 mounted pressed glass lighting panels by Allan Howes, glassworks unidentified (these classic Deco lighting panels were also made by Hailwood & Ackroyd and John Walsh Walsh.)
Bernard C. 8)
* — I had a pair of these (no box) on display at a Bristol fair about four or five years ago. Next to me was a French Lalique specialist. When he saw these beauties, he did an imitation of the opening scene in 4 Weddings and a Funeral. He spent much of the remainder of the day reading my copy of Baker & Crowe, putting fingerprints all over these knife rests, and muttering f-words with a French accent. It was pretty obvious that he had never seen Jobling Opalique novelties before, and he was quite amazed and astounded by them.