一、概述在毛主席革命路线指引下,在批林批孔运动的推动下,我厂广大职工执行“独立自主、自力更生”的方针,没有向国家要新设备,而立足于现有基础,在长春光机所和兄弟单位的大力协助下,用较短的时间,自己设计、试制出机械加荷,光学影屏读数的中 I. General Introduction Under the guidance of Chairman Mao’s revolutionary line and with the pro-active approval of Lin and Punch holes, the vast majority of staff and workers of our factory have been implementing the principle of “independence and self-reliance” and did not require new equipment from the country. Instead, based on the existing foundation, With the vigorous assistance of Changchun Institute of Optics and Brothers, with a relatively short period of time, we designed and made a trial of mechanical loading and optical screen reading