| 摘要 |
<p>The device has three contacts which can be positioned against the curved surface. One of the contacts is movable relative to the other two, measurement system being activated by the movable contact. The contacts (4,5,8) and the measurement system are fitted on a column (1) provided with a hand grip (2). The column also incorporates a calculating unit to which the measurement values are fed. An indicator device is fitted on the column for displaying the curvature data obtained. (Provisional Basic advised Week D03).</p> |
