. Report on the investigation of engineer and janitor service, Board of education, city of Chicago . SO 60 70 SO TOTfiL FLOOZ. tfjeEfl (OUT^S/DF) /N M 3Q. rijVH-v-A* 10 20 30 40 50 60 » M 90 100 cm 120 150 10 ISO ittL TOco tSW0 W c 200 3500 3000 2500 2000 1500 1000 bOO

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Keywords: ., bookcentury1900, bookdecade1910, bookidreportoninve, bookyear1913