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Three Arm Protractors

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Electronic Tilt Sensors

Specifications

The sextant has a guaranteed accuracy of better than 9 seconds of arc. The frame and the arc are constructed of a special brass alloy and the entire instrument has been treated and enameled to prevent corrosion. The handle is slightly inclined to provide a more natural grip. The mirrors are extra large and are of the finest optical quality, providing a high light intensity. Filters included. The sextants are available with a choice of 4 x 40 or 6 x 30 telescopes. A bubble attachment and astigmatizer lens are available. With case.