Related Clues:

• It will keep being painful after half a century
• Been around for such a time
• No little grip for the unaspirated
• Mr Chips was this sort of master, but not with paint
• Where the aged cockney would get the car to go
• No 6 across for the end of the pain of it
• After a century it would not be so hot to be so aged
• Was Mister Chips this with 9 across?
• See 13 and 20 across
• A river man
• Not even a cockney could get to grips with this
• In numerous ways, it's Man, if so long in the tooth
• That's for no young cockney to get to grips with
• The cockney may get to grips with the end of 23 across
• The aged cockney might get the grips with this