From the case:
Telescoping opera glass (photo)
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Title: Telescoping opera glass
Date: ca. 1830
Culture: Austrian, Vienna
Medium: Mother-of-pearl, yellow metal mounts
Dimensions: Height (closed): 1 3/8 in. (3.5 cm)
Classification: Natural Substances
Credit Line: Bequest of Zita Spiss, 1991
Accession Number: 1993.3.12
Case Discussion
Author: The Metropolitan Museum of Art, New York, New York, USA.
Original files: https://www.metmuseum.org/art/collection/search/208100
Modifications: replaced backdound, tidy up, square crop.
License: Public Domain.
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