I am cleaning up and re-sealing all the windows on my N22. I have done the fixed ones with new rubbers (and laminated glass) and now I am finishing off my sliding windows. Fine wire wool cleans up the frames, I have made new brackets out of stainless steel and I have the new seals to surround the glass. BUT, there is one very corroded part that I cannot yet replace — the sliding window handle. The frames are labelled Northern Windows and the sliding pane is moved by a wrap around handle that was once chrome plated but is now almost rusted through.