awasejougi 合せ定規
KEY WORD : architecture / tools
A wooden measuring gauge *jougi 定規, generally, 6-7cm wide, 35-45cm long, and 0.9-12cm thick. It is made up of a pair of symmetrical boards. The name is derived from one board being mounted on top of the other using two dowels or joggles *daboso 太ぼそ. The boards are easily separated. By rubbing the sides of gauges together, the accuracy of a straight line is ascertained. The flatness of planes, kannadai 鉋台, the lower edge or the under edge on the base of the plane, or the accuracy of a straight line of the material to be processed is checked by utilizing the straight line of the gauge.


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