预防肺结核 (二), 不要随地吐痰 (To Prevent TB (2), Please Don't Spit on the Ground), ca. 1964
预防肺结核 (二), 不要随地吐痰 (To Prevent TB (2), Please Don't Spit on the Ground), Health Department of Gansu Province and the Gansu Branch of the National Anti-Tuberculosis Association of China, ca. 1964
The images in this poster instruct people to spit into spittoons and bottles and to disinfect them by boiling. This poster is part of a series on TB prevention.