Lighting schoolrooms.

Hamon, Ray L. 1895-

Lighting schoolrooms. - [Washington] Federal Security Agency, U.S. Office of Education [1948] - 17 p. 23 cm. - United States. Office of Education. Pamphlet. no. 104. .

e 48000011


School buildings--Lighting.

L111 / .A75 no. 104

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