INDUSTRIAL OPTICAL CONDENSER LENS ASSEMBLY

Description

MONUMENTAL AND VERY RARE LATE 19TH CENTURY EARLY 20TH INDUSTRIAL OPTICAL CONDENSER LENS ASSEMBLY HOUSED IN A BRASS RIM AND MOUNTED MEASURES 11.5" DIAMETER & 4.5" THICK MANUFACTURED TO CONDENSE INTEMSE LIGHT FOR THEATER SCALE MAGIC LANTERNS, EPISCOPES OR PHOTOGRAPHIC ENLARGERS. VERY HEAVY

Description

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