Original WW2 wartime magazine vintage ad for ADOLPH I BUEHLER, INC. Main office and factory was located at 228 North LaSalle Street, Chicago, IL. Metallurgical testing equipment including AB DeLuxe Polishing Machine, Lead Lapping, Eye Shade Magnifier, Specimen Mount Press. Precision optical instruments, metallurgical apparatus.  ​This old 1943 one page industrial trade magazine advertisement would display beautifully matted and framed.