English: GWR 'OPEN A' 5-plank, 10 ton, unfitted, sheeted-with-bar (removed), open wagon No.19818, Diagram O11, Lot 834, built at GWR (Swindon) in 1917; TOPS code OWO. Swindon and the Metroploitan Amalgamated Wagon & Finance Co. built 10,815 O11's in 1911-19. Very similar with minor differences was Diagram O14, 2,200 of which were built in 1910-12. A fitted version of O11 was Diagram O15 'OPEN B', 2,105 of which were built in 1909-22. At the Great Western Society, Didcot Railway Centre, 18 November 2018.
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