BL BL Lacertae object BL Herculis Blume Bl.502 A Man Who Defies the World of BL BL Boötis BL Telescopii BL 12-inch howitzer BL 6-inch gun Mk XIX BL Lac BL Lacerta BL 15-pounder gun BL 10-pounder mountain gun BL 4.5-inch medium field gun BL 6-inch Mk XIII – XVIII naval gun BL 8-inch howitzer BL 4-inch Mk VII naval gun BL 6-inch Mk VII naval gun BL 4-inch Mk I – VI naval gun BL 8-inch howitzer Mk I – V BL 4-inch Mk VIII naval gun BL 12-inch Mk XI – XII naval gun BL Crucis BL 4.7-inch 45-calibre naval gun BL Lacertae BL 5.5-inch medium gun BL 14-inch Mk VII naval gun BL 6-inch Mk XXIII naval gun BL 5-inch gun Mk I – V BL 4-inch Mk IX naval gun Australian National BL class BL 5-inch howitzer BL 60-pounder gun BL 12-…

-inch Mk I – VII naval gun BL 12-pounder 6 cwt gun BL 2.75-inch mountain gun BL postcode area BL 12-inch railway howitzer BL 8-inch Mk I – VII naval gun BL 7.2-inch howitzer BL 15-inch howitzer BL 6-inch Mk II – VI naval gun .bl BL Herculis variable BL 9.2-inch Mk I – VII naval gun BL 16-inch Mk I naval gun BL 7.5-inch Mk II – V naval gun BL 10-inch Mk I – IV naval gun BL 6-inch 80-pounder gun BL 12-inch railway gun BL 13.5-inch Mk V naval gun BL 18-inch railway howitzer BL 9.2-inch Mk IX – X naval gun BL 5.5-inch Mk I naval gun BL 15-inch Mk

I naval gun BL 6-inch Mk XXII naval gun BL 9.2-inch howitzer BL Metamorphosis Ordnance BL 12-pounder 7 cwt Geely BL BL 7.5-inch naval howitzer BL 6-inch 26 cwt howitzer BL 6-inch Mk XII naval gun BL 6-inch Mk XI naval gun BL 7.5-inch Mk VI naval gun BL 9.2-inch Mk VIII naval gun BL O-series engine BL 6-inch 30 cwt howitzer BL Publishing BL 5.4-inch howitzer BL 8-inch Mk VIII naval gun BL 12-inch Mk X naval gun BL 8-inch howitzer Mk VI – VIII BL R-series engine BL 7.5-inch Mk I naval gun BL (logic) BL 9.2-inch Mk XI naval gun BL 6-inch gun Mk V BL 18-inch Mk I naval gun BL 14-inch railway gun Tenali Ramakrishna BA. BL BL 16.25-inch Mk I naval gun BL 13.5-inch Mk I – IV naval