NoSpam wrote:
I have a job that needs hyde glue and I was thinking of using our old
filter coffee machine - but it's been thrown out. Can anyone suggest a
cheap hotplate that will keep a small jar of water at around 70 degC ?

Is this idea of any use to you?

http://www.jarviser.co.uk/jarviser/tools3.html

Been years since I used that stuff (over 40 if I remember correctly)

Cash