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.
Use kerosene oil and a sprinkling of emery flour and proceed to sharpen tools. It is not necessary to clean A stone thus treated before placing the tool on it, as the emery and kerosene will make a good surface on the stone as well as assisting in producing A sharp edge on the tool. - Contributed by James M. Kane, Doylestown, Pa.