Mineral Spirits (40 K.B.)/60 Bodied Fish Oil, Extra Heavy/24 Xylene/60 Blend together at room temperature. Constants of Resulting Vehicle Viscosity, Gardner-Holdt/A-3 R-16-A "Neville" Resin, 60% Solution in Mineral Spirits/167 Solids Content/40% Acid Number (on solids)/3