Question: What class of Buckinghamshire railway is the locomotive that was the focus of 4 short stories ?

text: Buckinghamshire Railway Centre
Collection -- Locomotives

Buckinghamshire Railway Centre is a railway museum operated by the Quainton Railway Society Ltd. at Quainton Road railway station, about 5 miles (8.0 km) west of Aylesbury in Buckinghamshire, England. The site is divided into two halves which are joined by two foot-bridges, one of which provides wheelchair access. Each side has a demonstration line with various workshop buildings as well as museum buildings.
Class Number ( and name ) Chassis Status Notes
Metropolitan Railway E Class No.1 ( London Transport L44 ) 0-4-4 T Operational Built 1898 . Operational and a regular on passenger trains . On loan to the Epping Ongar Railway . Boiler ticket expires in 2022
LSWR 0298 Class 314 ( British Railways 30585 ) 2-4-0 WT Static Display Built 1874 . Boiler ticket expired in 2016
Peckett and Sons No.1159 Annie 0-4-0 ST Under Overhaul Built 1908 . Arrived in April 2018 from the Embsay and Bolton Abbey Steam Railway . Part way through a major overhaul
Peckett and Sons No.2105 Rokeby 0-4-0 ST Static Display Built 1951 . Mainly used on goods/vintage trains
North British Locomotive Company Coventry No.1 0-6-0 T Static display Built 1939 . Previously acted as Thomas the Tank Engine on Thomas days . On static display after her boiler certificate expired
Hudswell Clarke No.1742 Millom 0-4-0 ST Operational Built 1946 . Used on goods and vintage trains . Boiler ticket expires in 2027
Aveling and Porter No.3587 Sydenham 0-4-0 WT G Under overhaul Built 1895
GWR 6959 Class 6984 Owsden Hall 4-6-0 Under restoration Built 1948 . Transferred from the Swindon and Cricklade Railway in November 2019 . Its tender is currently in use behind 6989 . 2020
GWR 6959 Class 6989 Wightwick Hall 4-6-0 Operational Built 1948 . To be in service for the 2019 May Bank Holiday Gala . Restoration complete as of 11 December 2018 . Using 6984 Owsden Hall 's tender . 2020
GWR 7200 Class 7200 2-8-2 T Under restoration Built in 1934
Hunslet Austerity 0-6-0ST No.3890 NCB 66 0-6-0 ST Operational Last Hunslet Austerity built in 1964 . Boiler ticket expires in 2024
Peckett and Sons No.1900 0-4-0 ST Under Overhaul Built 1936 . Britain 's smallest standard-gauge steam locomotive
Andrew Barclay No.699 Swanscombe 0-4-0 ST Operational Built 1891 . Boiler ticket expires in 2023 . The oldest surviving Barclay . Repainted in July 2013 into pseudo- Metropolitan Railway livery as Brill No . 1
Bagnall No.2469 Scott 0-4-0 ST Operational Built 1932 . Boiler ticket expires in 2024 . Mainly used on goods trains
Andrew Barclay No.1477 0-4-0 F Static display Built 1916 . Fireless
Andrew Barclay No.2243 0-4-0 F Static display Built 1948 . Fireless
Aveling and Porter No.807 Brill 0-4-0 T G Static display , although undergoing restoration Built 1872 . Brill Tramway No.1
GWR 5700 Class 7715 ( London Transport L99 ) 0-6-0 PT Static display Built 1930 . Bought by London Transport in 1963 , their L.99 until 1969 . Out of service from December 2011 with a cracked boiler foundation ring
Hawthorn Leslie No.3717 Swanscombe No.3 0-4-0 ST Static display Built 1928
Hawthorn Leslie No.3718 Swanscombe No.4 0-4-0 ST Operational Built 1928 . Arrived in 2018 near the end of a major overhaul . She entered service in August 2018 . Boiler ticket expires 2028