A Catalog of Horseshoe Brand Brushes : 1924 (1924)
Pittsburgh Plate Glass Co. · leaf 46
HORSESHOE BRAND BRUSHES FITCH FLOWING BRUSHES … NOTE—Keep your Flowing brushes suspended, preferably in the varnish in which they are being used, to a depth of 34" above the bottom of the ferrule. Under no condition let them rest on the bottom of the con¬ tainer. [ 45 ]
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