AT THAT TIME, THEY DID SOME TESTS TO FIND A REPLACEMENT FOR OPAL. ULYSSES GLASS, WAS ONE OF THOSE TESTS. ONLY 2 COPIES ARE KNOW TO EXIST. IF YOU HAVE ANY QUESTIONS, PLEASE CONTACT ME. THANKS FOR CHECKING OUT MY AUCTIONS! HAVE A GOOD DAY. The item “Vintage PYREX Rare HTF 503 ULYSSES GLASS EXPERIMENTAL PROTOTYPE REFRIGERATOR” is in sale since Saturday, January 5, 2019. This item is in the category “Pottery & Glass\Glass\Glassware\Pyrex”. The seller is “pyrexglass1234″ and is located in Monessen, Pennsylvania. This item can be shipped to United States.

• Brand: Pyrex
• Model: 503 test piece
• Object Type: dish
• Style: Mid-Century Modern
• Original/Reproduction: Vintage Original
• Color: Brown