POWERHOUSE COLLECTION

Section of pump shaft excavated from Wynyard Square in 1827

Section of pump shaft excavated from Wynyard Square in 1827

Object No. 87/283

This piece of timber relates to the early supply of drinking water in Sydney during the late 1820s. It is part of the shaft for a spear pump built into a well to supply water for the early colonial military barracks originally located on the site of today's Wynyard Park. The type of pump may have been similar to those used in England to pump water out of mines at the time. While the mining engineer, John Busby, was constructing the tunnel (later known as Busby's Bore) to supply Sydney with a permanent supply of water in the late 1820s a number of setbacks occurred. Shortage of convict labour and increased immigration combined with drought conditions saw the colony run short of water. As a stopgap measure, Governor Darling ordered Busby to supervise the construction of six wells to be dug around the settlement. Two of them were in the Military Barracks for the use of the garrison stationed there which had been erected between 1782 and 1818. Come forward a century and in February 1927, while workers were excavating for the city's underground railway station at Wynyard Park located on the area once occupied by the garrison, an old well was discovered by the city railway engineers dug into the stone. The well consisted of a circular hole about 2 metres in diameter fitted with wooden pipes (a shaft) which contained the remains of a wooden pump known as a spear pump. This well was one of two within the walls of the garrison which had been sunk under Busby's direction by two miners employed on Busby's Bore. The wells had been dug to a depth of each 30 feet (10 metres) deep. The shaft pieces were of hardwood timber from 9 to 11 inches (23 cm to 30 cm) square. They were neatly dressed with chamfered arises and were bored longitudinally with holes about 4 inches (10 cm) in diameter. When discovered, these pipes were found to be neatly dovetailed together with practically watertight joints capable of resisting tension. This section of pipe is one of those discovered. This section of timber pump shaft is significant because it relates to the early and precarious nature of Sydney's water supply which continued throughout the 1800s. It is a rare survivor of traditional construction methods used by early engineers and miners at the very beginning of the colony's history. It is important in relation to Sydney's early colonial and military history, its water supply, transport history and the construction of Sydney's underground railway and Wynyard station. JOHN BUSBY. (1927, July 26).'The Sydney Morning Herald' p. 10. Retrieved from Trove, February 8, 2017, from http://nla.gov.au/nla.news-article16392330 https://s3-ap-southeast-2.amazonaws.com/srnsw-public-photos/12685_a007_a00704_8735000168r.JPG Margaret Simpson, Curator February 2017

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Summary

Object Statement

Section of pump shaft, from well built to supply water to military garrison in Sydney in 1828-9, constructed under supervision of John Busby, hardwood timber, excavated in 1927 from Wynyard Square, Sydney, New South Wales, Australia, during construction of city railway

Physical Description

Section of pump shaft, from well built to supply water to military garrison in Sydney in 1828-9, constructed under supervision of John Busby, hardwood timber, excavated in 1927 from Wynyard Square, Sydney, New South Wales, Australia, during construction of city railway

DIMENSIONS

Height

35 mm

Width

220 mm

Depth

214 mm

PRODUCTION

Notes

According to a contemporary article in "The Sydney Morning Herald" in 1927 when the pipes were unearthed, "the pump consisted of a set of these wooden pipes drilled four and a half inches in diameter in the pump chamber and discharging ends. At the suction end of the pipe, the diameter was three and a half inches, gradually increasing over a length of six feet to four and half inches where the clack valve of leather and lead was introduced. Above this was the cylinder chamber carrying the pump bucket and operating shaft or "spear'. Portions of theses clack valves and pump bucket were dug out of the old pipe [or shaft] and reconstructed. These showed very good workmanship indeed and our illustration made from the reconstructed parts indicates a very good type of mining "spear pump". [This illustration is now in the collection the NSW Government State Records & Archives and is entitled 'Drawing of Old Spear Pump. Dug out of Excavation in Wynyard Park Site of Old Military Barracks - pump constructed under direction of Mr. Busby in 1828']. The barrels of the foot valve and lifting bucket had been turned with half round recesses for the necessary packing. Portions of the lifting shaft or "spear" were also discovered and reconstructed. They consisted of pieces of shaped pine, neatly fitted together and secured with iron bands. The attachments at the top, and also to the pump bucket, could not be found, but the drawing illustrates what was the possible general arrangement. The method of lifting the bucket is not disclosed in the records, but possibly a lever or crank arrangement was adopted. Short sections of the old wood piping were cut and dressed at the ends to show the central bore and the grain of the timber, which was in a remarkable state of preservation, providing a good advertisement as to the durability of Australian hardwood." JOHN BUSBY. (1927, July 26).'The Sydney Morning Herald' p. 10. Retrieved from Trove, February 8, 2017, from http://nla.gov.au/nla.news-article16392330

HISTORY

Notes

David Sillence, Professor of Public Health Biology at the School of Public Health and Tropical Medicine from the University of Sydney, found this item while sorting out old boxes at the School in February 1987. He donated it to the Museum in 1987.

SOURCE

Credit Line

Gift of School Of Public Health And Tropical Medicine, University Of Sydney, 1987

Acquisition Date

17 March 1987

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