Item Type: Photograph

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This item is no longer under copyright in Australia and is in the public domain. It may be used freely. When using or sharing this item attribution should be given to the City of Sydney Archives.

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Column type cowled metal sewerage ventilation shaft on road, no date

Description

Unique IDA-00069782SeriesSydney Water Photograph Collection, 1880-1945Date qualifierno dateFormatPhotograph - DigitalDescriptionView showing a sewerage vent shaft at side of road. Terrace houses and horse drawn cart / carriage visible. Many of the metal tube ventshafts were incorporated into the system once it was determined that they were beneficial in removing noxious gases from the sewers, reducing internal pressure and making them a safer place. Sewer vents were used as a means of ventilating the sewerage system and in turn to prevent the corrosion of the pipes within the system, to eliminate sewer gases from homes, streets and the sewerage system, hence making them safer places and reducing pressure within the system. Large brick ventshafts were the first used for these purposes but became too expensive when it was determined that vents were required at regular intervals to serve their purpose properly. Steel tube vents became more common as they were cheaper to construct and easier to erect.LanguageEnglish (eng)

Digitised

Digitised recordYes

Born digital

Born digital itemNo

Characteristics

Colour depthGrayscale

Identification

Source system ID067\067198Alternative IDA255

Relationships

CollectionSydney Water Photograph CollectionSewerage

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Column type cowled metal sewerage ventilation shaft on road, no date