| 摘要 |
The invention relates to a measuring instrument having a measuring mechanism (21), a pointer (22) moved by the measuring mechanism and a number of scales (15) allocated to the pointer, which are attached to a drum (16) with level surface sections. To select a scale, the drum can be rotated about an axis (18) which is parallel to the plane of movement of the pointer; to avoid reading errors, the measuring mechanism (21) and the pointer (22) are mounted on a moving, essentially flat component (13) resting against the scale drum (16). <IMAGE>
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