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Instrument maker William Jones invented the famous Box Sextant in 1803.
We offer this solid brass reproduction of the Box Sextant, which was mainly used for terrestrial observation.
However, it was also suitable for small ships, as French sailor Jean Lancombe used a Box Sextant for his single-handed
Atlantic crossing.
This beautiful reproduction of the Box Sextant has a single green moon filter on a swing-arm mount and a brass cover
that unthreads and rethreads onto the opposite side where it functions as a holder.
With the cover installed, the sextant's thickness is only 1 5/8 inches (4 cm).
When the cover is removed, the telescope can be extended and the larger knurled knob can be adjusted to align the images.
To assist in reading the inclination angle from a precision German Silver vernier scale there is a built-in magnifier
that can be swung into position.
The smaller knurled knob unscrews for use as a tool to adjust the horizon mirror.
The Box Sextant is meticulously crafted and the optics are accurately aligned before shipping.
Also, a common serial number and "Stanley London" is stamped on each sextant.
The Box Sextant measures 3 inches (7.7 cm) in diameter and weighs just over one pound.
Please note that the sextant is fully functional but is not intended for navigation.
To store and display the Box Sextant, a handcrafted brass accented hardwood box is available.
Custom brass plaques are available for the hardwood box and
custom engraving is available on the lid of the sextant.
Sorry, the inlaid brass diamond cannot be engraved.
The Miniature Box Sextant is offered in both polished and antique patina finishes, and either version is offered at
only $88.
The hardwood box is available for only an additional $14.
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Antique Patina Three-inch Brass Box Sextant
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| $88.00
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Polished Three-inch Brass Box Sextant
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| $88.00
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Hardwood Case for Box Sextant
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| $14.00
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Sextant with
Alignment Tool
Sextant with
Filter Extended
Detail of
Telescope
Detail of
Filter
Top View of
Sextant and Lid
Detail of Internal
Mechanism
Sextant with
Cover On
Detail of Engraved
Serial Number
Box Sextant in
Hardwood Box
Hardwood Box for
Box Sextant
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