Hobson's Conduit
Encyclopedia
Hobson's Conduit is a watercourse that was built from 1610 to 1614 by Thomas Hobson
Thomas Hobson
Thomas Hobson , sometimes called "The Cambridge Carrier", is best known as the name behind the expression Hobson's choice....

 to bring fresh water into the city of Cambridge
Cambridge
The city of Cambridge is a university town and the administrative centre of the county of Cambridgeshire, England. It lies in East Anglia about north of London. Cambridge is at the heart of the high-technology centre known as Silicon Fen – a play on Silicon Valley and the fens surrounding the...

, England
England
England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

 from springs at Nine Wells (52.166°N 0.1349°E), near the village of Great Shelford
Great Shelford
Great Shelford is a village located approximately four miles to the south of Cambridge, in the county of Cambridgeshire, in eastern England. In 1850 Great Shelford parish contained intersected by the river Cam. The population in 1841 was 803 people...

. It is now a Scheduled Ancient Monument
Scheduled Ancient Monument
In the United Kingdom, a scheduled monument is a 'nationally important' archaeological site or historic building, given protection against unauthorized change. The various pieces of legislation used for legally protecting heritage assets from damage and destruction are grouped under the term...

 and historical relic. What remains of the conduit flows beside Trumpington Street
Trumpington Street
Trumpington Street is a major historic street in central Cambridge, England. At the north end it continues as King's Parade where King's College is located...

 and past Brookside, where it is at its widest. At the corner of Lensfield Road
Lensfield Road
Lensfield Road is a road in southeast central Cambridge, England. It runs between the junction of Trumpington Street and Trumpington Road to the west and the junction of Regent Street and Hills Road to the west...

 stands an octagonal monument to Hobson, which once formed part of the market square fountain, and was moved to this location in 1856, after a fire in the Market. The flow of water runs under Lensfield Road, and subsequently runs along both sides of Trumpington Street in broad gutters towards Peterhouse
Peterhouse, Cambridge
Peterhouse is a constituent college of the University of Cambridge, England. It is the oldest college of the University, having been founded in 1284 by Hugo de Balsham, Bishop of Ely...

 and St Catharine's College
St Catharine's College, Cambridge
St. Catharine’s College is a constituent college of the University of Cambridge. Founded in 1473, the college is often referred to informally by the nickname "Catz".-History:...

, and also St Andrew's Street
St Andrew's Street, Cambridge
St Andrew's Street is a major street in central Cambridge, England. It runs between Sidney Street, at the junction with Hobson Street, to the northwest and Regent Street to the southeast...

. The conduit currently ends at Silver Street
Silver Street, Cambridge
Silver Street is located in the southwest of central Cambridge, England. It links Queen's Road to the west with Trumpington Street to the east. The road continues west out of central Cambridge as Sidgwick Avenue....

.

The scheme was first devised in 1574 by Andrew Perne
Andrew Perne
Andrew Perne , Vice-Chancellor of Cambridge University and dean of Ely, was the son of John Perne of East Bilney, Norfolk.-Biography:...

, Master of Peterhouse, who proposed that a stream be diverted from Nine Wells through the town and the King's Ditch to improve sanitation. The design was revived by James Montagu
James Montague (bishop)
James Montague was an English bishop.-Life:He was the son of Sir Edward Montague of Boughton, and grandson of Edward Montagu....

, Master of Sidney Sussex College
Sidney Sussex College, Cambridge
Sidney Sussex College is a constituent college of the University of Cambridge in England.The college was founded in 1596 and named after its foundress, Frances Sidney, Countess of Sussex. It was from its inception an avowedly Puritan foundation: some good and godlie moniment for the mainteynance...

 and built at the expense of the University
University of Cambridge
The University of Cambridge is a public research university located in Cambridge, United Kingdom. It is the second-oldest university in both the United Kingdom and the English-speaking world , and the seventh-oldest globally...

 and town. Although Thomas Hobson was just only one of those involved in the construction he endowed a Hobson's Conduit Trust to deal with maintenance of the waterway, which still exists today. The new river was dug from Vicar's Brook near Long Road to the conduit head at the end of Lensfield Road as a joint venture between the University and the city. Here the flow of water was divided into four separate branches for different uses.

Trumpington Street branch

The original branch still functions as sluices along Trumpington Street, where it is known as the Pem (east side) and Pot (west side). The City Council's Drainage Engineer controls flow through the sluices and generally lets water flow in the open conduits in Trumpington Street between April and September. Feeds run into Peterhouse and Pembroke College
Pembroke College, Cambridge
Pembroke College is a constituent college of the University of Cambridge, England.The college has over seven hundred students and fellows, and is the third oldest college of the university. Physically, it is one of the university's larger colleges, with buildings from almost every century since its...

s. A run also used to feed into the basement of the old Addenbrooke's Hospital
Old Addenbrooke's Site
The Old Addenbrooke's Site is a site owned by the University of Cambridge in the south of central Cambridge, England. It is located on the block formed by Fitzwilliam Street to the north, Tennis Court Road to the east, Lensfield Road to the south, and Trumpington Street to the west.Addenbrooke's...

, which is now the location of the Judge Institute.

Market Place branch

Completed in 1614, this branch brought fresh water to the Market fountain in the centre of the Cambridge Market Place
Market Hill, Cambridge
Market Hill is the location of the marketplace in central Cambridge, England. Operating as a marketplace since Saxon times, a daily outdoor market with stalls continues to run there....

. Following a fire in 1849, the Market Square was redeveloped and in 1855 a Gothic Revival gabled fountain was erected (marked on many contemporary maps as "lavatory" as there were underground public conveniences here) and the original structure of Hobson's Conduit was moved. Most of the fountain was pulled down in 1953.

Flow to this branch was cut off in 1960 during construction of the Lion Yard
Lion Yard
The Lion Yard Shopping Centre is a city centre undercover shopping centre in Cambridge, England. It predates and is significantly smaller than either the Grafton Centre or the Grand Arcade. The latter connects directly to the Lion Yard, which is in the city centre...

 development and has never been restored.

St Andrew's Street branch

Added in 1631, this branch flowed from the conduit head along Lensfield Road and St Andrew's Street toward Drummer Street where it split into feeds that ran into Christ's
Christ's College, Cambridge
Christ's College is a constituent college of the University of Cambridge.With a reputation for high academic standards, Christ's College averaged top place in the Tompkins Table from 1980-2000 . In 2011, Christ's was placed sixth.-College history:...

 and Emmanuel College
Emmanuel College, Cambridge
Emmanuel College is a constituent college of the University of Cambridge.The college was founded in 1584 by Sir Walter Mildmay on the site of a Dominican friary...

s as well as a public dipping point. Much of the open conduit along St Andrew's Street was covered in 1996 as part of pedestrian improvements.

Parker's Piece branch

A final branch ran from the conduit head toward Parker's Piece
Parker's Piece
Parker's Piece is a flat and very roughly square green common located near the centre of Cambridge, England. The two main walking and cycling paths across it run diagonally, and the single lamp-post at the junction is commonly known as Reality Checkpoint...

 to feed a cattle pond, but this was disrupted in 1827 when the pond was filled in.

Monuments

There are two monuments, one on Lensfield Road (52.1979°N 0.1224°E, see picture below) and one at Nine Wells. The latter was erected in 1861 by public subscription and records the benefactors to the water course and conduit as:
  • Thomas Chaplin, Lord of the Manor of Trumpington Delapole, 1610
  • Stephen Perse
    Stephen Perse
    Stephen Perse was an English academic and philanthropist.He was probably educated at Norwich School, and took his B.A. degree at Gonville and Caius College, Cambridge in 1569, where he was later elected to a fellowship...

    , fellow of Gonville and Caius, 1615
  • Thomas Hobson, carrier, 1630
  • Edward Potto, alderman of Cambridge, 1632, and
  • Joseph Merrill, alderman of Cambridge, 1806
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