Visit To The Waterworks, A

Creator: Encyclopaedia Britannica Films Inc.

Format: 16mm

Sound: sound

Description: ELEMENTARY SCHOOL TEACHER TAKES CLASS ON FIELD TRIP TO CITY WATERWORKS. GUIDE EXPLAINS PLANT OPERATION--STORAGE TANKS, LABORATORY WATER TESTING FOR PURITY, FILTRATION, CHEMICAL TREATMENT. PUMPS SUPPLY FIRE DEPARTMENT, STREET CLEANING, LAUNDRY.

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