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内容无人跑点断面仪的构造及制作如附图。1.轻便三脚架,上端以球形接头连接,与简易经纬仪支架接头相同。2.球形接头上连接支架和圆盘。3.支架上置一有槽的半圆形转动杆,槽子要直而平滑。支架两端各以半圆钢弧与转动杆连接。左侧铜弧边缘刻有迷轮,借以微动转动杆,并在左边半圆铜弧上设有一固定螺丝,可以固定转动杆,更可以加固支架与转动杆的连接。
Contents no one running point section of the structure and production of equipment as attached. 1. Lightweight tripod, the upper end of the ball joint connection, and simple theodolite bracket joint the same. 2. Connect the bracket and the disk to the ball joint. 3. The bracket is equipped with a grooved semi-circular rotating rod, the groove should be straight and smooth. Each end of the bracket with semi-circular steel arc and rotating rod connection. The left edge of the copper arc engraved with a round of the wheel, in order to micro-rotating rod, and in the left semi-circular copper arc with a set screw, you can fix the rotating rod, but also to strengthen the bracket and rotating rod connection.