Scots Orange-Chip Marmalade

• seville oranges
• lemons
• loaf sugar
• water
• white of egg (to clarify sugar)

Take equal weight of fine loaf sugar and Seville oranges. Wipe and grate the oranges, but not too much. (The outer grate boiled up with sugar will make an excellent conserve for rice, custard, or batter puddings.) Cut the oranges the cross way and squeeze out the juice through a small sieve. Scrape off the pulp from the inner skins and remove the seeds. Boil the skins till perfectly tender, cha