The Mk I Colossus was built between March and December 1943 by Tommy Flowers and his colleagues at the Post Office Research Station at Dollis Hill in London and then shipped to Bletchley Park in January 1944.

* Highest point above ground level –, Dollis Brook Viaduct on the Northern line's Mill Hill East branch.

Tommy Flowers of the Post Office Research Station, Dollis Hill had experience of thermionic valves and built an electronic machine, the Colossus computer which was installed in the Newmanry.

Dollis Hill House, within what later became the park, was occupied by Sir Dudley Coutts Marjoribanks, who subsequently became Lord Tweedmouth.

* Gladstone Park, London, a large park in Dollis Hill, Brent, north west London

The single track LNER line to Edgware was electrified as far as Mill Hill East, including the Dollis Brook Viaduct, opening as a tube service on 18 May 1941 to serve the barracks there, thus forming the Northern line as it is today.

* History of Cricklewood and Dollis Hill

* Dollis Hill

* Dollis Hill

* Dollis Hill tube station

* Staples Corner ( A406 & M1 ), Dollis Hill, Greater London, has a freeway ending at a rotary interchange.

Dollis Hill is an area of north-west London.

As a result, Dollis Hill is sometimes referred as being part of Willesden, especially by the national press.

Dollis Hill consists of the streets surrounding Gladstone Park, formerly the estate belonging to Dollis Hill House.

The Dollis Hill Estate was formed in the early 19th century, when the Finch family bought up a number of farms in the area to form a single estate.

Dollis Hill House itself was built in the 1820s.

The code-breaking Colossus computer, used at Bletchley Park during the Second World War, was built at the Post Office Research Station in Dollis Hill by a team led by Tommy Flowers.

William Ewart Gladstone, the UK Prime Minister, was a frequent visitor to Dollis Hill House in the late 19th century.

The year after his death, 1899, Willesden Council acquired much of the Dollis Hill Estate for use as a public park, which was named Gladstone Park.

Mark Twain stayed in Dollis Hill House in the summer of 1900.

He wrote that " Dollis Hill comes nearer to being a paradise than any other home I ever occupied.

Dollis Hill tube station is a London Underground station at Dollis Hill near to Willesden and Harlesden.

File: Dollis Hill tube station 2005-12-10 02. jpg | Jubilee line train at Dollis Hill

It passes through Wyatts Farm Open Space and Brook Farm Open Space to Totteridge Lane near Totteridge and Whetstone tube station, and then continues south through Woodside Park ( where it merges with Folly Brook ) and West Finchley, before passing under the Dollis Brook Viaduct which carries the Northern Line between Finchley Central and Mill Hill East tube stations.

The branch was opened in 1867 as part of the Edgware, Highgate and London Railway, which also built the attractive Dollis Brook Viaduct to the east of the station.

In 1926, he joined the telecommunications branch of the General Post Office ( GPO ), moving to work at the research station at Dollis Hill in the north-west London in 1930.

There are two entrances via sets of stairs coming from Lillian Avenue and Dollis Street, unfortunately meaning there is no easy wheelchair / disabled access to this station.

Particularly notable were the cutting in Highgate Hill in which Highgate station was constructed with tunnels on either side, and the bridges over the Dollis Brook and at Muswell Hill.

This garage opened for service in May 1905 and was originally called Dollis Hill, It was the first motorized depot used by the LGOC and is one of London's oldest bus garages.

The Post Office Research Station at Dollis Hill, London, was first established in 1925 and opened by Prime Minister Ramsay MacDonald in 1933.

The fictional Dollis Hill Football Club features occasionally in the British satirical magazine Private Eye as arch-rivals to Neasden Football Club, with on at least one occasion the fictional Dollis Hill South council ward used in the irregular Those Election Results In Full mock section.

Dollis Hill was frequently mentioned in the humorous game Mornington Crescent, featured on the radio comedy show I'm Sorry I Haven't A Clue.

Image: Dollis Hill stn roundel. JPG | Roundel on platform

It is on the Jubilee Line, between Wembley Park and Dollis Hill.

This was built by Allen Coombs and William Chandler of Dollis Hill who had worked with Tommy Flowers on building the ten Colossus computers.

It is on the northern side of Totteridge Lane ( A5109 ), somewhat to the east of the Dollis Brook ( the traditional boundary between Totteridge and Whetstone ) hence is in Whetstone.

Dollis Brook rises on Moat Mount Open Space in Mill Hill, and then flows through private land under Hendon Wood Lane.

In 1990 the school was re-established near to the brook at Dollis Park and now only the infant ’ s section, built in 1902, remains on the original location.

* Dollis Viaduct-13 arches each with a span of, and high ( the highest point on the present underground ).

Dollis Brook, looking south from Totteridge Lane, taken about 9am, Thursday 13th, October, 2005.

Charles (" Father ") Stowell Marriott ( 14 September 1895, Heaton Moor, Stockport, Lancashire – 13 October 1966, Dollis Hill, Middlesex ) was an English cricketer, who played first-class cricket for Lancashire, Cambridge University and Kent.