From the attached press release: "Optical Pyrometer is used by a ceramics engineer at Armour Research Foundation of Illinois Institute of... Show moreFrom the attached press release: "Optical Pyrometer is used by a ceramics engineer at Armour Research Foundation of Illinois Institute of Technology to check temperature of pot furnace. Furnace converts carbonates to oxides following completion of ore dressing processes." Photographer unknown. Date of photograph unknown. Date range listed is approximate. Show less
