This section is from the book "Cassell's Cyclopaedia Of Mechanics", by Paul N. Hasluck. Also available from Amazon: Cassell's Cyclopaedia Of Mechanics.
To clean gaiters made of sun tanned sheepskin, with the flesh side outside, wash them thoroughly and scrub out all the dirt. When quite dry, scrape them all over very lightly, paying special attention to the parts that were dirtiest, with a dull knife, a buff knife, or the edge of a blunt shoemaker's knife; if the knife is too sharp the leather will be worn away. When the gaiters are rough all over, apply some Propert's brown ball, or a mixture of brown ochre and chalk mixed to the shade required, and rub in well with fine sandpaper, then with a piece of old cloth. If the gaiters are then brushed out lightly with a soft brush, they will have the appearance of new goods.
 
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