Yes, I remember my friend who had the ZX81 originally took great pains to make sure the table was stable and you shouldn't knock it - we didn't realise how seri

Yes, I remember my friend who had the ZX81 originally took great pains to make sure the table was stable and you shouldn't knock it - we didn't realise how serious it was until it died when we were typing code in and it died. I think his dad ended up taping it in place so that it was less likely.