Clean frequently to eliminate flies, mosquitoes and rats!

经常进行扫除消灭苍蝇,蚊子,老鼠!
Jinchang jinxing saochu xiaomie canying, wenzi, laoshu
Clean frequently to eliminate flies, mosquitoes and rats!
ca. 1952
Beijingshi aiguo weisheng yundong weiyuanhui (北京市愛國衛生運動委)
80.5x55.5 cm.
BG E12/965

The impressum states: 原图作者 冯增春 图底 万砚北改绘 - Original image by Feng Zengchun, background by Wan Yanbei.
Published by the Beijing Patriotic Health Campaign Committee.