5 22.0 „ „ ... 6 Not received 8 22.0 „ „ 17.8 9 21.9 „ „ ... 10 21.8 „ 0.8 ... 11 20.8 „ 1.2 17.7 12 20.3 „ 0.5 17.8 13 20.7 „ 0.8 17.1 15 20.6 „ 1.0 17.3 16 20.8 „ 0.6 17.3 17 21.1 „ 0.6 16.9 18 21.1 „ 0.5 16.1 19 Not received 20 Not received 22 21.4 „ 0.5 16.2 23 21.4 „ 1.0 17.4 24 Not received 25 Not received 26 Not received 27 21.4 „ 0.8 17.3 29 21.4 „ 05 17.3 30 21.3 „ 0.4 16.4 Mean 21.28 „ 0.48 17.39 TABLE XV. QUARTERLY RETURN OF THE CHIEF GAS EXAMINER. Common Gas. _Results of the Daily Testings of the Gas supplied by the Gas Light and Coke Company to the Testing Station at_ 123, _Ladbroke Grove_, _Notting Hill_, _during the months of July_, _August_, _and September_, 1874.