"Tamol" 850 (30%)/6.5 Non-chalking rutile titanium dioxide/150.0 Silica: Silver Bond B or 1160 Silica/69.4 Ethylene glycol/35.0 Grind the above materials in a high-speed mill (Cowles, 3800 to 4500 feet per minute for 10 to 15 minutes) and let down, at a slower speed, as follows Water/55.8 Hydroxyethyl cellulose (2.5% solution)/80.0 "Tamol" 850 (30%)/10.5 Potassium tripolyphosphate/1.5 "Triton" CF-10/2.5 Potassium tripolyphosphate/1.5 Antifoamer/1.0 Ethylene glycol/30.0 Preservative (57% mercury)/1.8 "Dyphos" PG/75.0 Preservative (57% mercury)/1.8 Non-chalking rutile titanium dioxide/150.0 Water/40.0 Silica: Silver Bond B or 1160 Silica/128.4 "Rhoplex" AC-388 (50%)/439.0 Long oil alkyd*/26.7 Antifoamer/1.0 "Rhoplex" AC-388 (50%)/498.9 Pine oil/5.0 Propylene glycol/30.0 Water and/or hydroxyethyl cellulose (2.5%)/81.5 *Drier treated with 0.5% by weight of 6% cobalt, 0.5% of