Three-Arm Protractor

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Details

Application:

The three-arm protractor cooperates with a sextant to measure the ship is position by either threepoint-two-angle method or angle-between-objeetive-plus-bearings method.

Specifications:

1. Diameter of the graduated circle:126.85mm

2. Arm length:340mm

3. length of connecting arm:290mm

4. total length of the pointing arm:630mm

5. minimal reading number:1min

6. differential drum type.

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Tel: 86-23-68428875,68428422,68838417

Fax: 86-4008266163-88928

Email: sales@jinbomarine.com

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