"Charlie, thank you so much for posting this, lovely to see some more early history. I've previously posted a link to the Donald Dunnet patent when the name has come up. A quick search on FreeBMD shows the death of a Donald Dunnet in Worthing…"
"Hi, that's fascinating, I suppose you probably know that Donald Dunnet held patents for the forerunner to the lava lamp, and the device that later became the Crestworth cannon timer. I, and I'm sure many others on here would love to see…"
"The fast flowing, larger flakes Crestworth bottles were solvent based - one giveaway is that the flakes of glitter rise to the top when the lamp is switched off and cold. I would advise against opening one of these, but if you do, do it outdoors,…"