Say you saw it, in PRINTER AND PUBLISHER P R I N t E R A N I) P U IW. I S 11 K i; 53 … The Eyes of the Factory SO important is the safeguarding of employees eyesight amid pre-vailing scarcity of man-power, that the Advisory Commission, Iniled States Council of National Defense, appointed a special committee toprepare a code of lighting for mills and workshops. This committee had…
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![An illustration from Astounding Stories of Super-Science v04 n01 [1930-10] (1930)](https://img.insideoutlibrary.com/img/200/ia-astounding-stories-v-04-n-01-1930-10-96-0.webp)
