Identification list for ordnance, B.L. 5.5-in., Mark 3 and ordnance, B.L. 4.5.-in., Mark 2 on carriage, 5.5-in. or 4.5-in. gun, Mark 2 Identification list for ordnance, B.L. 5.5-inch, Mark III and ordnance, B.L. 4.5.-inch mark II on carriage, 5.5-inch or 4.5-inch gun, mark I Gun drill for Q.(uick) F.(iring) 25-PR Mark 2. Gun on carriages 25-PR, Mark 1 and 3, 1944 historical arms series Tudor artillery 1485-1603 / by Adrian B. Caruana wo Identification list for ordnance, q.f. 25-pr., marks 2, 2/1, 3, 3/1 & 4 on carriage, 25-pr., mk. 1 with trailer, artillery, no. 27, mk. 1, …