Orange Jelly

From 1922:

Six oranges, 3 lemons cut into small pieces. To each cupful of fruit add 1 ½ cupfuls of water. Bring to the boil and boil hard for 30 minutes, set aside for 24 hours, squeeze through a bag. To each cupful of juice add 1 ½ cupfuls of sugar and bring to the boil and boil hard for 25 minutes.