| 摘要 |
<p>Instrument comprises two hinged arms (1) which move between closed and open positions, the open position corresponding to the angle that is to be transferred. The arms mark the angle on the second object. Each arm is hinged about an axle that is mounted on a support (3) with means for ensuring the arms stay open at an angle corresponding to that to be transferred. A needle (2) marks the center of the measured angle.</p> |
