\ 3 P-& \ I—1 ^ r A D M … XESQ. z Is Lio o c c Jl was furnished with an overflow grating at t, situatedover a secondary cesspool. The one cesspool, as will beseen, received only the rain-water from the stacks J J,but the other received all the drainage from threeupstairs and downstairs closets at a a a, the urinal, the An…