| 摘要 |
A dimension measuring instrument has a main scale 2 and a slider 3 in a state to move relatively, each of the main scale 2 and the slider 3 having a jaw 4, 5. These jaws 4, 5 are provided with finger lay portions 7, 9 thereon, respectively. In a measurement procedure, a pair of jaws 4, 5 urged by figures held in the finger lay portions 7, 9 is reciprocally opened and closed without any spring to catch the object to be measured, of which arrangement is advantageous for simple structure and reasonable price of the instrument. In particular to a fat thickness measurement, the object portion can be almost held with fingers, so that the operator can perform by himself in the home.
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