| 摘要 |
An adjustable indicator holder including a body member rigidly attached to a shaft adapted to be engaged by a spindle, a lever arm pivotally secured to the body member and having fine adjustment means engaging one end thereof, an articulated linkage, one end of which is pivotally secured to the other end of the lever arm and clamping means disposed at the distal end of the articulated linkage for matingly engaging a standard linear indicator device.
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