Box (Pocket) Sextant

Box (Pocket) Sextant

Box (Pocket) Sextant
SKU SKU17556
Weight 0.50 kg
Original/Repro. Quality Reproduction
Finish Polished
Dimensions (cm) 7.8 (Dia.) x 4.1 (Closed)
Imperfections Refer to detailed images
Age/Year of Manufacture Unknown
Restoration Options None offered
Our Price:

AUD 269.00


This is an exceptionally well made reproduction of an early 20th Century Box Sextant housed in a polished Brass drum case with a diameter of 7.8 cm (3"). It has an inlaid Silver scale with a range of 0 to 140 degrees. Major graduations are marked every 10 degrees - starting at zero and ending at 120 degrees. The scale is further divided into 1 degree minor graduations and 30 minute fine graduations. The vernier scale has marked graduations at 0, 10, 20 and 30 and fine graduations of 1 minute of arc.

Sightings are aided by a tiny pull-out telescope and a green glass sun shade. Adjustment of the Index Arm is via a knurled Brass knob and the reading is taken with the aid of a small magnifier that is mounted on a pivoting brass arm. The other small knurled brass knob is a tool for calibrating the horizon mirror.

A Box Sextant comes in two parts which screw together. The detailed images show how the two halves are screwed together when open and closed. Normally this type of sextant would be stored in a protective leather case (not included).

Detailed Images

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