Just amazing Kev! Thant thing is going to pop when you hit it with some oil. I hate to say it but you'll probably be pretty old and decrepit the last time you sit in that chair. If you're lucky, your great grand kids are going to think of it as THE chair that the cranky old man used to sit in.
Watch the outlets/branch... Last time I looked (admittedly years ago), NEC was mute on an absolute limit, but had a guidance number -- typically adopted for municipal code... I forget what it is.... Any electricians in the house?