This section is from the book "The Boy Mechanic Vol. 2 1000 Things for Boys to Do", by Popular Mechanics Co.. Also available from Amazon: The Boy Mechanic, Vol2: 1000 Things for Boys to Do.
A very simple but handy device for pressing out lard, juices for jelly, or fruit for marmalade, is made from two boards, each 18 in. long, 3 in. wide and 1/2in. thick, formed into the shape of paddles and hinged together. The hinge is made by running a wire through holes bored in one end of the paddles and twisting the ends together as shown. This presser will save the hands from stains and other effects of the juices. - Contributed by Julia A. White, Glenburg, Pa.
Ill: Two Paddles Hinged Together with a Piece of Wire Make a Presser for Lard and Fruits