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 piece of wire, about 1 ft. long, is bent into the shape shown and slipped over the neck of the ink bottle. The ends forming the loop around the neck should fit tightly. The upper part of the wire is shaped to hold the penholder. - Contributed by W. A. Saul, E. Lexington, Mass.