I have a Jason lathe, which was one of his final designs
My internet is impossibly slow at the moment, because I’m uploading some big files to Dropbox, so I must ask you to search for yourself … I think there is some biographical detail on lathes.co.uk under Jason or one of his other small lathes.
MichaelG.
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Edit: t’internet is active again 
Start here, and follow your nose: http://www.lathes.co.uk/jason/
Edited By Michael Gilligan on 02/12/2020 23:50:01