Data Summary

The following data summary is compiled from vehicle records entered into the authors 'Register' program. The summary presents some amazing insights into construction, conversions and other topics.

Some points to be aware of are:

The figures include all rolling stock: carriages, vans, wagons and locomotives. However the locomotive data is incomplete. The ratio of locos to rolling stock is about 1:40.
There is a skew in figures for the years 1910, 1929, 1979. These are years when major recodings took place but dates are not available. The year of the major event is taken as the 'approximate' year. As maintenance cycles for most stock was five years, the recodings would have finished with five years of the start date. There is also a skew for the 1930's when unknown I to IA conversion dates were given a default value of 'autocoupler dates'. Please note: These 'default' dates are simply an easy reference date in the absence of genuine data. In effect the dates represent those quoted by people in normal conversation and passed on 'as fact'. The computer records are modified as actual data is found.
Only the modifications recorded and typed in will show a tally. These figures would only represent some 5% - 10% of the total number of modifications that took place. Not counted are modifications involved in recoding a vehicle due to traffic change.
An 'x' next to the year represents one or more columns that have approximate dates. These dates could be +/- 5 years. This applies particularly to modifications and traffic.
The headings and their meanings are the authors interpretation in the computerisation of records.

Interesting points are:

The data for the years before 1886 is a reflection of the rolling stock in service at 1886. Hence construction figure will show less than what was actually constructed.
The data shows many topics with numbers after 1886 but not many before 1886. This clearly shows the books were rewritten losing all conversion, scrapping and recoding data before then. To date these vehicle records have not been 'ghosted' in.
Continuous construction across nearly all years of about 100 - 200+ vehicles.
1912 has the maximum number of vehicles entering service for any one year
The list is generated by the 'Register' program which does all formatting. For DOS printing the program prints the tables across 2 pages and down 3 pages. This is the edited version for a browser which leaves out half the summed data.
The summary runs through about 225,000 items of information. A table is created, the records summed and upon output all rows (year) that have no data and all columns ( History ) that have no data are left out.

Guide to headings:
BLT - Built New
DEL - Delivered
PUR - Purchased ( as from another rail owner, not contract construction )
INS - In Service
ON  - On Register
FND - (Found) Traced at Stocktake
EX  - Converted from ( recode, conversion, renumbering )
SCR - Scrapped ( Broken Up )
TO  - Converted to ( recode, conversion, renumbering )
STR - Stored
CND - Condemned ( unfit for traffic )
DES - Destroyed and scrapped on site
LST - ( Lost ) Not Traced at Stocktake
HST - Transferred to Historical Register ( 1984+ )
OFF - Off Register
XRO - Removed from ROSCO information ( same as 'Off Register' )
SLD - Sold and removed from property ( all or part )
WTH - Withdrawn ( from service, stored, and invariably scrapped )
MOD - Modified ( ie, improved. Modifications for traffic that convert the
      vehicle to another class are implied from the conversion Ex/To )

Note: Ex/To histories should be equal for any one year. As 'unknown wagon'
      histories are not counted, the count will be uneven.

           B    D    P    I    O    F    E    S    T    S    C    D    L    H    O    X    S    W    M
           L    E    U    N    N    N    X    C    O    T    N    E    S    S    F    R    L    T    O
           T    L    R    S         D         R         R    D    S    T    T    F    O    D    H    D
       

1855       3    -    -   19    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -
1857       8    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -
1858      64    -    -    1    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -
1859     110    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -
1860     128    -    -    1    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -
1861      41    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -
1862     279    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -
1863      43    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -
1864      37    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -
1865     191    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -
1866       1    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -
1869      30    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -
1870      50    -    -    1    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -
1871     115    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -
1872      70    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -
1873     111    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -
1874     156    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -
1875     352    -    -    1    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -
1876     174    -    -    4    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -
1877     388    -    -    -    -    -    -    -    -    -    -    1    -    -    -    -    -    -    -
1878     283    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -
1879     240    -    -    1    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -
1880     355    -    -   33   10    -    -    -    -    -    -    -    -    -    -    -    -    -    -
1881     296    -    -    7    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -
1882     514    -    -    -    -    -    1    -    1    -    -    -    -    -    -    -    -    -    -
1883     691    -    -    9    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -
1884     309    -    -   13    -    -    -    -    -    -    -    -    -    -    1    -    -    -    3
1885     434    -    -   18    -    -    -    -    -    -    -    1    -    -   12    -    -    -  301
1886     464    -    -  176    -    -   22    1   22    -    -    1    -    -   20    -    -    -   84
1887x    909    -   20    3    -    -   12   36   12    -    -   13    -    -   17    -    -    -   58
1888x    437    -    -    2    -    -   32   17   32    -    -    5    2    -   20    -    -    -  110
1889     619    -    -    1    -    -   75  237   74    -   27    4    -    -   10    -   23    - 1064
1890    1437    -    -   21    -    -   68  127   68    -    6    2    -    -    8    -   16    -   60
1891    1123    -    -    2    -    -   51  453   51    -    2   15    -    -    2    -    1    -   59
1892     580    -    -   76    2    -   29  279   29    -    1    6    -    -   16    -    3    -  606
1893x    140    -    -    -    4    -   61   15   61    -    2    -    -    -   17    -    -    -  188
1894      89    -    -    -    -    -   34   13   34    -    -    4    -    -    4    -    1    -   77
1895      64    -    -    5    1    -   43   10   43    -    2    2   12    -    8    -    -    -   73
1896      77    -    -    -    -    -   28   60   28    -    -    1  119    -   11    -    -    -  204
1897     522    -    -    -    -    -   33  305   33    -    -    3    -    -   37    -    -    -  402
1898     231    -   20    -    1    -   69  153   69    -    -    1    -    -    5    -    -    - 2177
1899     383    -    -    -    -    -  121   61  123    -    -    -   23    -   13    -    -    -  552
1900     179    -   10    3    -    -   28   79   28    -    -    2    -    -    6    -    -    -  287
1901     332    -   34    1    1    -   28   50   28    -    -    1    -    -    1    -    3    -  323
1902     318    -    -    4    -    -   37   50   37    -    -    2    -    -    3    -    -    1  296
1903x    266    -    -    6    -    -    3  142    3    -    -    -    -    -    5    -    -    -  207

           B    D    P    I    O    F    E    S    T    S    C    D    L    H    O    X    S    W    M
           L    E    U    N    N    N    X    C    O    T    N    E    S    S    F    R    L    T    O
           T    L    R    S         D         R         R    D    S    T    T    F    O    D    H    D
       

1904     303    -   25    -    -    -    9   27    9    -    -    -    -    -   13    -    2    -   71
1905x    492    -    -    -    -    -   23   14   23    -    -    -    -    -  208    -    -    -   90
1906     193    -    -    -    -    -   36    4   36    -    -    1    -    -   22    -    -    -   88
1907     375    -    -    -    -    -   21   13   21    -    -    -    -    -  126    -    1    -   51
1908     230    -    -    -    -    -   12    -   12    -    -    6    -    -  153    -    -    -  100
1909     467    -    -    -    -    -   40    5   40    -    -    -    -    -   46    -    -    -  184
1910x    678    -    -    -    -    - 1773   33 1772    -    1    1    -    -   87    -    -    -  380
1911    1814    -    -    1    1    -   49   46   49    -    -    -    1    -  145    -    -    -  294
1912    2232    -    -    4    -    -   50   96   50    -    1    2    -    -   24    -    -    -  176
1913    1706    -    -    1    1    -   92   12   92    -    1    -    2    -   77    -    3    -  127
1914    1331    -    -    3    -    -   36   19   36    -    -    -    -    -   47    -    -    -   33
1915    1126    -    -    -    -    -    5   33    5    -    -    -    -    -   28    -    3    -   35
1916     394    -    -    -    -    -   15   58   15    -    -    -    -    -   18    -    -    -   61
1917     322    -    -    -    -    -   54    -   54    -    -    -    -    -    -    -    -    -   94
1918     129    -    -    -    -    -    2   18    2    -    -    -    -    -    9    -    -    -   69
1919     155    -    -    -    -    -  118   11  118    -    -    -    2    -    9    -    -    -  115
1920     150    -    -    -    -    -   67   18   67    -    -    -    -    -   11    -    -    -  122
1921     148    -    -    -    -    -  295   11  295    -    -    -    1    -   35    -    -    -   87
1922     150    -    -    -    -    -  345    3  345    -    -    1    -    -    -    -    1    -  255
1923     166    -    3    -    -    -  208  130  208    -    1    3    9    -    -    -    -    -  138
1924     306    -    -    -    -    -  149  191  149    -    -    1    -    -    3    -    -    -   65
1925     286    -    -    -    1    -   23  185   23    -    -    5    -    -    7    -    -    -   54
1926     459    -    -    2    1    2  301  275  302    -    -   13    5    -    1    -    1    -   69
1927     206    -    -    1    2    -   41  190   41    -    1    2    -    -   80    -    4    -   73
1928     622    -    -    -    1    -    5  104    5    -    -    2    -    -   72    -    2    -  473
1929     416    -    -    1    -    - 4055  150 4050    -    1    5    9    -    1    -    -    -  891
1930     252    -    -    -    2    - 1504   80 1502    -    -    1    -    -    8    -    1    -  908
1931       7    -    -    -    -    1  726   84  730    1    1    -    -    -    4    -    4    - 1512
1932       2    -    -    -    -    - 1252  137 1252    -    1    -    -    -    2    -    -    - 3956
1933      61    -    -    -    1    - 1223  132 1223    2    1    -    4    -    1    -    2    - 3153
1934     282    -    -    -    1    - 1094  187 1094    2    -    -    -    -    5    -    -    - 1206
1935     226    -    -    1    1    -  816  225  818    -    -    5    -    -    5    -    2    - 1138
1936     263    -    -    -    4    1  363  294  364    1    -    -    9    -    6    -    1    -  476
1937     397    -    -    -    1    -  260  309  260    3    1    2    -    -   10    -    -    -  153
1938     339    -    -    -    1    1   14  352   13    6    -    2    -    -    4    -    1    -   12
1939     350    -    -    -    -    1   22  507   22    1    -    1    6    -    8    -    -    -   16
1940     204    -    -    -    -    -   69  418   69    6    -    -    -    -   18    -    -    -   16
1941     250    -    -    -    -    -   48  310   48    -    1    1    -    -   22    -    -    -    4
1942     235    -    -    -    1    -   45  115   45    -    -    -    2    -   19    -    6    -    4
1943     280    -    -    -    -    -   13  129   13    -    -    1    -    -   19    -    6    -    -
1944     202    -    -   13    -    -    6  335    6    4    -    2    -    -   34    -   12    -    1
1945     247    -    -    -    -    -   23  161   24    -    -    2    4    -    7    -    -    -    2
1946     397    -    -    6    -    -   44   95   44    -    -    1    -    -   21    -   10    -    1
1947     142    -    -    8    -    1   30   21   30    -    -    2    -    -   16    -    -    -   24
1948     198    -    -    8    -    -  149  229  149   69  110    -    -    -   37    -   15    -   18
1949     374    -    -   20    2    -   27  181   27    1    2    1    -    -   15    -    1    -   65
1950     351    -    1   12    1    -   17  146   17    -    1    -    -    -    5    -   10    -   76
1951     992    -    -   37    2    -   32  175   32    -    1    -    -    -    6    -    3    -   37
1952    1486    -    -   67    2    1   14  237   14    1    1    -    6    -   15    -    2    -   48
1953     657    -    -   28    -    -  101  767  101    -    1    -    -    -   16    -    4    -  108
1954     229    -    -   11    1    -  559  503  560    -    -    -    -    -   13    -   57    -   81

           B    D    P    I    O    F    E    S    T    S    C    D    L    H    O    X    S    W    M
           L    E    U    N    N    N    X    C    O    T    N    E    S    S    F    R    L    T    O
           T    L    R    S         D         R         R    D    S    T    T    F    O    D    H    D
       

1955      79    -    -    1    1    -  136  215  135    -   14    -    -    -    6    -    3   10   65
1956x    135    -    -   58    -    - 1254  179 1254    -    -    -    -    -   10    -    -    3   79
1957     176    -    -   90    -    1  179  379  179    -    3    4    1    -   31    -    1   13  155
1958     199    -    -   77    1    -  284  634  284    -    2    1    -    -    7    -    -   25  276
1959     288    -    -   85    2    -  426  275  423    -    2    -    -    -   14    -    -    6  150
1960     192    -    -   69   17    -  344  193  344   21    1    1    -    -    8    -    1   14  144
1961     108    -    -   27   45    - 1369  251 1368   17    -    -    -    -    1    -    -    -  134
1962     174    -    -   50    4    2  917  129  917    -    5    -   36    -    3    -   10    1  114
1963     152    -    -   39    3    1  757  114  757    5    -    -    -    -    8    -    -    -   60
1964     106    -    -   39    6    -  955  107  955    1    1    -    -    -   10    -    1    2   47
1965     195    -    -   65    -    - 1302   63 1303    -    -    1    -    -    6    -    1    2   64
1966     325    -    -   44    -    -  692  346  692    -    6    -    -    -    1    -    -   21   48
1967     213    -    -   22    -    1  388  468  388   15    8    1    1    -    5    -    1    2   24
1968x    192    -    -   14    -    -  143  329  142    2   33    -    -    -    4    -    -    1    9
1969     304    -    -   11    -    -  221  258  222    7    2    1    -    -    9    -    1    -   41
1970     204    -    -    5    -    -   77  508   77   18    -    -    -    -   26    1    1   23   28
1971     151    -    -    5    -    -   48  568   48    -    4    -    -    -   14    -    6    -   48
1972     255    -    -    6    3    -  315  511  317    -   12    -    -    -   39    -    2    -   42
1973     222    -    -   22    7    -   85  486   85    6    -    -    -    -   62    -   10    -   27
1974     178    -    1   47    8    -   99  628   99    1    3    -    -    -   63    -    2    6   56
1975     199    -    -   50    1    -  101  513  101    -    1    2    -    -   42    -    3    1   55
1976x    148    -    -   96    1    -   70  774   70    7    1    -    -    -   64    -    -    -   22
1977     151    -    -   55    4    -  213 1002  213    6    -    2    -    -  171    -    3    -   17
1978x    127    -    -   42    -    -  311 1211  311    1    1    5    -    -  565    -   14    -   10
1979x    162   28    -   11    8    - 3234  380 3230    5    3    3    -    -  311    -   12    -   26
1980     153   55    -   46    2    - 1621  373 1621    1    3    2    -    -  383    -   69    1    3
1981x     42    4    -   28    6    - 1335  318 1335   75    -    2    -    -  304    -   26    2   10
1982     111    -    -   66    4    -  384  190  385    1    1    3    -    -  323    -   76   11   12
1983x     71    -    -   72    -    -  363  126  362    2    1    1    -   51  332    -   88   24   22
1984x    142    -    -  150    1    -  400  211  400    -    1    -    -    7  401    -   41   12   18
1985      57    -    -  126    -    -  353   69  355    -    -    -    -   12  214    1   15    3    -
1986x      9    -    -   97    -    -  148   31  148    -    -    5    -    -  111    -    3    -    5
1987       -    -    -   83    -    -  414    1  414    -    -    -    -    -   16    -    -    -    1
1988       2    -    -   41    -    -  739    -  740    1    -    -    -    2   25    -    1    1    2
1989       1    -    -   40    -    -   65    -   65   10    -    -    -    -    9    -    -    2    -
1990x      4    -    -    -    -    -  141    8  141    9    -    -    -    -   36    -    1    -    1
1991       -    -    -    -    -    -   47    2   47  235    -    -    -    -    9    -    1    -    3
1992x     20    -    -    4    -    -   32   32   32   62    -    1    -    -   15    -    2    -    -
1993       -    -    -    -    -    -  113   69  113    1    -    -    -    -   24    -   21    -    1
1994       -    -    -    1    -    - 1043    5 1043    2    -    -    -    -    2    -    -    -    7
1995       -    -    -    -    -    -  425    1  425    2    -    -    -    -    7    -    -    -    -
1996       -    -    -    -    -    -    3    1    3    2    -    -    -    -    2    -    -    -    3
1997       -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -    -

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File mTablem compiled by Peter J. Vincent.