Mechanical Devices in the Home
CHAPTER XXI. CESSPOOLS, SEPTIC TANKS AND CITY SEWER SYSTEMS 124
152. Releative value of cesspool and septic tank. 153. Construction of the septic tank. 154. The size of tank. 155. Disposal of waste in cities.
Mechanical Devices in the Home
152. Releative value of cesspool and septic tank. 153. Construction of the septic tank. 154. The size of tank. 155. Disposal of waste in cities.