full page photo · horrock's apparatus estimated (a) free chlorine (b) combined chlorine (d)...

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Page 1: Full page photo · Horrock's apparatus estimated (a) Free chlorine (b) Combined chlorine (d) Chlorine demand (c) a+b Anemometer is used to assess (a) Humidity (b) Air velocity (c)
Page 2: Full page photo · Horrock's apparatus estimated (a) Free chlorine (b) Combined chlorine (d) Chlorine demand (c) a+b Anemometer is used to assess (a) Humidity (b) Air velocity (c)
Page 3: Full page photo · Horrock's apparatus estimated (a) Free chlorine (b) Combined chlorine (d) Chlorine demand (c) a+b Anemometer is used to assess (a) Humidity (b) Air velocity (c)
Page 4: Full page photo · Horrock's apparatus estimated (a) Free chlorine (b) Combined chlorine (d) Chlorine demand (c) a+b Anemometer is used to assess (a) Humidity (b) Air velocity (c)