coaches of the Great Western Railway
... that coaches of the Great Western Railway were built up to 13 feet (4 m) longer than most other British railway carriages of the time?
... that <b id="mwDmU"><a href="./Coaches_of_the_Great_Western_Railway" id="mwDmY" rel="mw:WikiLink" title="Coaches of the Great Western Railway">coaches of the Great Western Railway</a></b> were built up to <span about="#mwt20" data-mw='{"parts":[{"template":{"target":{"wt":"convert","href":"./Template:Convert"},"params":{"1":{"wt":"13"},"2":{"wt":"ft"},"3":{"wt":"m"},"4":{"wt":"0"}},"i":0}}]}' id="mwDmc" typeof="mw:Transclusion">13 feet (4</span><span about="#mwt20" typeof="mw:Entity"> </span><span about="#mwt20">m)</span> longer than most other <a href="./United_Kingdom" id="mwDmg" rel="mw:WikiLink" title="United Kingdom">British</a> <a class="mw-redirect" href="./Railway_carriage" id="mwDmk" rel="mw:WikiLink" title="Railway carriage">railway carriages</a> of the time?