This section is from the book "Cassell's Cyclopaedia Of Mechanics", by Paul N. Hasluck. Also available from Amazon: Cassell's Cyclopaedia Of Mechanics.
A good harness polish consists of beeswax llb., soft soap 6 oz., ivory black -J lb., and Prussian blue loz., ground in linseed oil 2oz., and oil of turpentine 1/2pt. Mix well together and put in a pot. To use, lay a little on the leather and polish lightly with a soft brush or rubber.
 
Continue to: