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 hog's-hair lather brush for which a barber has no further use is best for applying enamel paint. Having been constantly in hot water, the bristles are split fine so that no hair marks will be left when applying the enamel. Neither mops nor fitches are of any use for the purpose; the latter are employed in general painting for touching up. filling in, cutting in, and lining. A fitch can be softened in hot water.
 
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