Sighting Spyglass by C. Duhamel

Sighting scope for accompanying astronomical telescope. Three-draw antique spyglass, incredible optics. Circa 1850.

Signed 'C. Duhamel, Optician; New Orleans'.

Similar Model Featured in the Smithsonian's National Museum of American History.

Tube (Retracted-As Shipped): 6.0"

Tube (Extended): 16.5"

Objective Lens: 1.25"