| 摘要 |
A clapboard slide gauge having a wedge-shaped body member with a clapboard receipt notch defined in its base, such notch to receive a lower clapboard to be slid under an adjacent upper clapboard when the pointed portion of the clapboard slide gauge is pushed thereunder, said lower clapboard in the receipt notch to be slid upwards a desired distance as indicated on a scale on the body of the gauge where the lower clapboard is to be retained in place while the clapboard slide gauge is withdrawn from between the upper and lower clapboards.
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