Public works . FOAM CHIMNETY ON G.\S VENT OF IMHOFF board which holds back foaming overflow from reaching out-let is shown in foreground. At construction there was placed in each of the twoilosing tanks, an appliance for keeping count of the num-i;er of doses discharged during the day and thus of the. OF SCREEN of screen and two brushes in view below floor level; motor which drives screen just beyond railing. 322 » MUNICIPAL JOURNAL AND PUBLIC WORKS AoL. XLVII, No. 22 quantity of sewage treated. Some changes in this haveIeen made by Mr. Downes to make its working
Public works . FOAM CHIMNETY ON G.\S VENT OF IMHOFF board which holds back foaming overflow from reaching out-let is shown in foreground. At construction there was placed in each of the twoilosing tanks, an appliance for keeping count of the num-i;er of doses discharged during the day and thus of the. OF SCREEN of screen and two brushes in view below floor level; motor which drives screen just beyond railing. 322 » MUNICIPAL JOURNAL AND PUBLIC WORKS AoL. XLVII, No. 22 quantity of sewage treated. Some changes in this haveIeen made by Mr. Downes to make its working more re-liable, and it now consists of a float in the dosing tanksuspended from a wire which passes through the roof ofthe tank and into a small box attached thereto. Fastenedto the bottom of this box is a three-figure counter, anda two-inch cast iron pulley standing in a vertical posi-tion. The wire, passing onto and half-way around thepulley, is attached to the top of it, and to the other sideis fastened a piece of lead which serves as a counter-weight to lift the wire a short distance when the floatrises. On this wire is fastened a small piece of metalwhich engages with the counter and causes it to registeras the counter-weight pulls the wire up. When the tankdischarges, the float pulls the wire do
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectmunicip, bookyear1896
