Standard Five Fund We need your help to restore the only Caprotti fitted BR Standard Five 73129 back to steam! "Roofing our Future" helps secure the vehicles in our collection, now we want to bring some of those vehicles back to life! BR Standard 5 No. 73129 isn’t just another steam engine — it’s the only surviving Standard 5 fitted with Caprotti valve gear. A truly unique piece of British engineering history, and right now, it needs your help to steam again. We’re inviting railway enthusiasts a