+3 photos Ediswan Mazda 30B1 3" CRT - blue phosphor complete with moun Tuesday, January 30, 6:30 PM - Other ... form of split-rings to help with ... to them. I would strongly recommend having a look yourself on receipt as I did find a spider ... his - a number of other vintage valves and CRTs will be listed soon ... B91 Solihull £10