Metadata
Author: LASER-wikipedia2
Data
English[en]
The whole fabric is supported on a pedestal N, and may be elevated or depressed upon the joint O, to any number of degrees from 0 to 90, by means of the arc P, which is fixed in the strong brass arm Q, and slides in the upright piece R, in which is a screw at r, to fix it at any proper elevation.
Chinese[zh]
整個結構支撐在一個基座N上,並且可以在一個固定在R上的連結O上升高或降低,從固定在堅固黃銅臂Q上的P弧,調整出在0到90度之間的任何角度,而滑片可以用螺絲'r '在適當的角度上固定住。