作者: Brad M. Acopulos
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摘要: A multi-purpose carpentry measuring device is described. The tool combines the functions of a framing square, level and plum bob in one function with just measurement. Further, can also be used as bevel gauge bench marker. foot leg member, joined by pivot, contain bubble tubes for all necessary horizontal vertical measurements. Extendible rules on both members further increase usefulness device. has built-in magnetic disc bar code reader continuously displaying angular read out an integral calculator. Laser pin lights at either end allow laser precision marker observations may facilitated positioning disposed said