Marmalade Supreme

5 oranges
1 lemon (and juice of 1)
1 grapefruit

Slice whole fruit very thin. For each pound of fruit add three pounds of water. Set aside to soak for 24 hours. Boil hard 45 minutes, and set aside to soak 24 hours longer. Add juice of one lemon and weigh. Allow 1 1/2 pounds of sugar to each pound of mixture. Bring to boil and boil briskly for 45 minutes; let cool and pour into glass jars and cover with paraffin.