How to remove a stained glass window from an old frame?
To take out a piece of glass without breaking it soften the putty with paint stripper
This putty was hard it was installed in 1937 so i had to leave the stripper to soak in over night.
Next carfully remove the soft putty and any pins that originally held the glass in place.
Apply another coat of paint stripper working it in between the glass and the rebate and leave it to soften.
Carefully remove the softened putty and with care the glass can be eased out.