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"How the sewer pipes are arranged in a house to carry off the waste and prevent sewer gas from entering the rooms." —Davison, 1910

Sewage pipes of house

"How the sewer pipes are arranged in a house to carry off the waste and prevent sewer gas from entering…

One of the world's earliest sewage system, located in ancient Rome.

Cloaca Maxima

One of the world's earliest sewage system, located in ancient Rome.

A diagram of a septic tank.

Septic tank

A diagram of a septic tank.

"Diagram of the main parts of a sewerage system." —Kinne, 1920

Sewerage system

"Diagram of the main parts of a sewerage system." —Kinne, 1920

This is an early stage dumpster. The main difficulty was that the waste collectors needed to lift the waste to shoulder height.

Dumping Wagon

This is an early stage dumpster. The main difficulty was that the waste collectors needed to lift the…

How the well often becomes impure and carries disease. A well near a barnyard or cesspool is likely to be unsafe for use. The liquids enter the soil, and sometimes follow along the crevice in rocks a hundred feet or more. Sewage, which is household waste, garbage, or dead animals cast into a stream, or placed near a well or spring, may cause many deaths among those using the water.

Well Water

How the well often becomes impure and carries disease. A well near a barnyard or cesspool is likely…