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Monocular Opera Glass

Signature haring Palais Royal 63 a Paris

Date Early 1800s
Dimensions English Metric
Main Tube Length 2.2in 56mm
Main Tube Diameter 2.0in 50mm
Total Length 3.7in 93mm
Closed Length 2.9in 74mm
Objective Clear Aperture Diameter 1.5in 38mm


This monocular has a short round bell-shaped barrel, made of painted or colored ivory.  The objective lens is an achromatic doublet and is contained in a brass cell.  It has one brass draw (without retention), a single eye lens (chipped), and a flared brass eyecup.  All the brass parts are silver-plated.  It is signed "haring Palais Royal No. 63 a Paris" on the draw, with the eyecup above.


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