What Vitruvius and Pliny say, that glass was oxide of iron: these two.
A DUCTS b—— HATBANDS — — COOLANT CONTROL VALVE MAIN POWER PUMPS. RESERVOIRS, WATER BOILER, AND MISCELLANEOUS VALVES EXTERNAL TANK DISPOSAL 2 222 PROBLEM INCLINATIONS 2 Clee Ф І 142 N. MI. 8 z (263 km) o Еш.