Possible Clues:

• Ingredient of varnish
• Material in historic record? Attack account
• Polish in Old Nick's place in South Africa with first cousins
• Varnish — he calls (anag)
• Resin from an insect used by French polishers
• Varnish — the fellow has two litres in container
• Resin used to make varnish
• Old record of Hull account
• Old record of eternal damnation being embodied by fire without end
• Old gramophone material