27 Jul Corning PYREX Micro Organic Chemistry Kit 6949M-2 Intermediate Lab Glass#4
PYREX No. 3570-14 flask. Glassware components are marked PYREX with original catalog numbers throughout the kit. PYREX No. 2405-7 condenser. PYREX No. 2405-14 condenser. PYREX No. 9070-7 bent adapter tube....