Box Sextant 3 inch

nsextantbox

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The Box Sextant was invented in 1803 by William Jones the instrument maker.  Usually used for terrestrial measurements on land, it can also be used by small ships in fact sailor Jean Lancombe the frenchman used a Box Sextant when he crossed the atlantic alone. This Box Sextant is 3 inches (7.7 cm) in diameter. The Box Sextant has a brass cover that screws  the lower part like a holder. 

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$64.99

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This Box Sextant is 3 inches (7.7 cm) in diameter. The Box Sextant has a brass cover that screws  the lower part like a holder.  The box sextant is 1 5/8 inches (4 cm) thick with the cover down.  When the cover is removed, the telescope is extended and the larger knurled knob is adjusted to align the images.  A magnifier assists in reading the inclination angle from a precision German Silver vernier scale.  The smaller knurled knob unscrews for use as a tool to adjust the horizon mirror.  The Box Sextant is handcrafted. This beautiful instrument the Box Sextant is fully functional, although not caliberated. William Jones the instrument maker invented it in 1803.  Usually used for terrestrial measurements on land, it can also be used by small ships in fact sailor Jean Lancombe the frenchman used a Box Sextant when he crossed the atlantic alone.

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Box Sextant 3 inch

Box Sextant 3 inch

The Box Sextant was invented in 1803 by William Jones the instrument maker.  Usually used for terrestrial measurements on land, it can also be used by small ships in fact sailor Jean Lancombe the frenchman used a Box Sextant when he crossed the atlantic alone. This Box Sextant is 3 inches (7.7 cm) in diameter. The Box Sextant has a brass cover that screws  the lower part like a holder. 

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