My vintage Sata-Lite and Crestworth lava lamps I had refilled with some custom colours : r/Mid_Century
Vintage 1970's French / Italian Glitter Lava Lamp Mathmos Crestworth Interest | eBay
For Sale: 2X Crestworth Coach Lantern - Oozing Goo - The Lava Lamp Syndicate
Follow up post, Crestworth Lava Lamp found in a charity / thrift shop for £4 (i couldn't work out how to update previous post!) : r/Lavalamps
Wondering if anyone knows how to work out what make or model this is. Know nothing about lava lamps but my nan gave it to me and eager to find out about