Visit To The Waterworks, A

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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Sources

  1. 16mm Filmography (legacy record) — title, creator, format, sound, description, catalog record, video