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 simple oil filter may be made from two clean meat tins pla.ced one above the other; in the upper tin, with a bradawl, punch a number of small holes, and over these spread a piece of flannel.
 
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