ELECTRICALLY HEATED RECTANGULAR SHAPED PLATINUM ALLOY RESISTANCE FURNACE. WITH OPENINGS IN THE TOP AND A MULTIPLICITY OF NOZZLES IN ITS BASE. USED TO MELT GLASS MARBLES AND CONDITION MOLTEN GLASS FOR DRAWING INTO CONTINUOUS FIBRES.

CLASSIFICATION IS DETERMINED BY THE PROVISIONS OF GENERAL INTERPRETATIVE RULES 1 AND 6 AS WELL AS THE TEXT OF HEADINGS 8514 AND 851410.