For Granted: The Water We Drink.

Duration: 15 min.

Year Published: 1955

Creator: Gary Public Schools

Format: 16mm

Color: Color

Sound: sound

Description: Shows the source, purification process and testing of the culinary water supply of Gary, Indiana. Explains the use of chlorine and dry chemicals in purification and shows the function of settling basins and filtering tanks. Pictures purity tests of the water.

Complete Record: FOR GRANTED: THE WATER WE DRINK. A-V Dept., Gary Public Schools, in cooperation with Indiana University, Audio-Visual Center. 15 min., sd., color, 16mm. Kodachrome. © Gary Public Schools; 26Sep55; MP6624., Shows the source, purification process and testing of the culinary water supply of Gary, Indiana. Explains the use of chlorine and dry chemicals in purification and shows the function of settling basins and filtering tanks. Pictures purity tests of the water. NOTE: Two (or more) records have been merged together to create this data.