291:
1012:
506:
208:
guns to the modern rifled breech-loaders somewhat later than the
European powers. Mks I - VII all had a barrel of approximately 303 inches in length (25.25 calibres) and similar performance.
1584:
983:
204:
and also coastal defence. It was
Britain's first attempt to match the large guns being installed in rival European navies, particularly France, after Britain transitioned from
383:
Text Book of
Gunnery, 1887. Table XVI, Page 313. Text Book of Gunnery 1902 gives muzlle velocity 1914 ft/second with 295 lb brown powder or 88 lb 8 oz cordite size 30 charge.
499:
1017:
44:
492:
237:. Mk II guns failed in service and were quickly replaced by Mks III. IV and V, with many changes and improvements. The later marks were also mounted on
1574:
338:
to designate marks (i.e. models) of ordnance until after World War II. Hence this article describes the first seven models of
British BL 12-inch guns
976:
1427:
848:
823:
1387:
896:
969:
290:
1432:
1417:
1392:
891:
833:
818:
813:
267:
Mks I, VI and VII were coast defence versions with trunnions for mounting on recoil slides. They were installed in forts in
England at
1162:
863:
789:
716:
693:
641:
571:
527:
798:
422:
1172:
1099:
886:
729:
380:
828:
1306:
1187:
1167:
853:
843:
658:
653:
1022:
1354:
803:
961:
1589:
1225:
443:
430:
43:
1579:
1359:
1336:
1326:
1230:
1042:
734:
706:
674:
1442:
1402:
1311:
1279:
808:
774:
683:
663:
1382:
1197:
1192:
881:
1479:
1474:
1447:
876:
871:
779:
769:
764:
759:
754:
224:
205:
1422:
1331:
1316:
1259:
1254:
1182:
932:
749:
608:
603:
626:
272:
1412:
1364:
1269:
1207:
1177:
1094:
744:
249:
231:
49:
585:
484:
450:, 1902. London: Printed for His Majesty's Stationery Office, by Harrison and Sons, St. Martin's Lane
437:, 1887. London: Printed for His Majesty's Stationery Office, by Harrison and Sons, St. Martin's Lane
417:
and
Thurston, L.F. (1972). British Artillery Weapons & Ammunition 1914-1918. Ian Allan, London.
1349:
1301:
901:
580:
541:
536:
217:
197:
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1109:
467:
1397:
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312:
153:
1114:
17:
1374:
1341:
1202:
950:
631:
546:
418:
1037:
1027:
1004:
697:
1129:
1124:
1510:
1504:
1498:
1466:
1293:
1148:
1104:
1084:
1052:
595:
561:
276:
238:
173:
1538:
1407:
1089:
992:
927:
739:
556:
551:
515:
335:
1568:
996:
720:
519:
479:
473:
447:
434:
298:
268:
1217:
1548:
1543:
1530:
1452:
1079:
922:
917:
414:
67:
1288:
1074:
1032:
201:
135:
98:
440:
427:
1553:
1246:
1139:
460:
63:
1240:
618:
942:
200:
naval gun of the early 1880s intended for the largest warships such as
163:
468:
Dreadnought
Project : detailed Mk IV gun description and diagrams
141:
Mk I & II : 301.7 inches (7.663 m) bore (25.14 calibres)
1062:
1066:
279:
from 1884 onward and were in active service during World War I.
965:
488:
461:
Handbook for the 12-inch B.L. 47 ton gun Mark I, VI, VII, 1891
143:
Mk III - VII 303 inches (7.696 m) bore (25.25 calibres)
379:
1910 ft/second firing a 714 lb projectile, with 295 lb
357:
355:
361:
Text Book of
Gunnery, 1887. Table XVI, Pages 312–313
1529:
1491:
1465:
1373:
1278:
1239:
1216:
1147:
1138:
1061:
1003:
941:
910:
862:
788:
715:
692:
672:
640:
617:
594:
570:
526:
182:
172:
162:
152:
134:
122:
117:
109:
104:
94:
86:
81:
73:
59:
34:
480:British 12"/25 (30.5 cm) Marks III, IV, V and Vw
392:Text Book of Gunnery, 1887, Table XIV, Page 308.
370:Text Book of Gunnery 1902, Table XII, Page 336
977:
500:
334:Mk I = Mark 1, Mk VII = Mark 7. Britain used
8:
1585:Victorian-era weapons of the United Kingdom
1144:
984:
970:
962:
507:
493:
485:
31:
401:Hogg & Thurston 1972, pages 188-189.
474:British 12"/25 (30.5 cm) Marks I and II
351:
330:
328:
324:
286:
126:Mk I : 47 tons barrel & breech
7:
186:8,000 yards (7,300 m) at 9° 57'
178:1,910 feet per second (582 m/s)
216:Mk II was installed on battleships
36:Ordnance BL 12 inch gun Mk I - VII
25:
995:small arms & ordnance of the
230:and the coastal service ironclad
1575:Naval guns of the United Kingdom
289:
183:Effective firing range
42:
1053:Webley .455" Revolver Mk I – IV
18:BL 12 inch Mk I – VII naval gun
1100:Pattern 1861 Enfield musketoon
1:
463:at State Library of Victoria
1606:
1428:BL 9.2-inch Mk IV & VI
1226:RML 7-pounder mountain gun
1360:BL 6-inch 30 cwt howitzer
1337:RML 64-pounder 71 cwt gun
1327:RML 64-pounder 64 cwt gun
1231:RML 2.5-inch mountain gun
887:QF 12-pounder 12 cwt Mk I
572:Smoothbore muzzle-loading
528:Smoothbore muzzle-loading
194:BL 12 inch naval gun Mk I
147:
130:Mk VI, VII : 46 tons
74:Place of origin
41:
1438:BL 12-inch Mk I, VI, VII
1393:BL 6-inch Mk III, IV, VI
1282:& garrison artillery
684:68-pounder Lancaster gun
158:714 pounds (324 kg)
1383:QF 3-pounder Nordenfelt
1193:BL 12-pounder 6 cwt gun
1023:Beaumont–Adams revolver
882:QF 6-pounder Nordenfelt
673:Rifled muzzle-loaders (
168:12-inch (304.8 mm)
1355:BL 5-inch gun Mk I – V
1043:Kerr's Patent revolver
877:QF 6-pounder Hotchkiss
872:QF 3-pounder Hotchkiss
824:BL 9.2-inch Mk I – VII
664:RBL 7-inch 110-pounder
381:Brown Prismatic powder
1480:10-inch 18 cwt mortar
1475:13-inch 36 cwt mortar
1365:BL 9.45-inch howitzer
1332:RML 64-pounder 58 cwt
1317:RML 25-pounder 18 cwt
1289:4.1-inch 'Long Cecil'
1260:RML 6.6-inch howitzer
1255:RML 6.3-inch howitzer
1183:RML 16-pounder 12 cwt
1156:SBML 9 pounder 13 cwt
933:1-inch Nordenfelt gun
839:BL 12-inch Mk I – VII
735:RML 64-pounder 64 cwt
717:Rifled muzzle-loaders
707:RML 64-pounder 71 cwt
694:Rifled muzzle-loaders
518:naval weapons of the
206:rifled muzzle-loading
198:rifled breech-loading
1270:BL 5.4-inch howitzer
1208:QF 1-pounder pom-pom
1178:RML 13-pounder 8 cwt
1095:Pattern 1853 Enfield
814:BL 6-inch Mk II – VI
809:BL 6-inch 80-pounder
642:Rifled breechloaders
441:Text Book of Gunnery
428:Text Book of Gunnery
174:Muzzle velocity
1484:8-inch 9 cwt mortar
1350:RML 8-inch howitzer
1198:QF 12-pounder 8 cwt
1188:BL 12-pounder 7 cwt
1173:RML 9-pounder 8 cwt
1018:1897 infantry sword
829:BL 9.2-inch Mk VIII
730:RML 9-pounder 8 cwt
433:4 December 2012 at
1322:RML 40-pounder gun
1302:SBML 8-inch 65 cwt
1265:BL 5-inch howitzer
1218:Mountain artillery
1090:Pattern 1851 Minié
844:BL 12-inch Mk VIII
770:RML 12-inch 35-ton
765:RML 12-inch 25-ton
609:13-inch Blomefield
604:10-inch Blomefield
313:List of naval guns
273:No Man's Land Fort
105:Production history
1590:Coastal artillery
1562:
1561:
1544:0.45" Gatling gun
1461:
1460:
1375:Coastal artillery
1203:BL 15-pounder gun
959:
958:
951:Whitehead torpedo
864:Quick-firing guns
632:24-pounder Millar
627:12-pounder Millar
547:32-pounder 55 cwt
466:Rob Brassington,
263:Coast defence gun
255:, sister ship of
190:
189:
128:Mk II - V 45 tons
16:(Redirected from
1597:
1580:305 mm artillery
1522:Hales 24-pounder
1418:BL 8-inch Mk VII
1346:RML 6.6-inch gun
1145:
1048:Tranter revolver
1038:Enfield revolver
986:
979:
972:
963:
509:
502:
495:
486:
478:Tony DiGiulian,
472:Tony DiGiulian,
446:12 July 2012 at
402:
399:
393:
390:
384:
377:
371:
368:
362:
359:
339:
332:
293:
244:, sistership of
46:
37:
32:
21:
1605:
1604:
1600:
1599:
1598:
1596:
1595:
1594:
1565:
1564:
1563:
1558:
1525:
1519:Hales 9-pounder
1487:
1457:
1433:BL 10-inch Mk I
1369:
1298:SBML 24-pounder
1294:SBBL 32-pounder
1274:
1247:heavy artillery
1244:
1235:
1212:
1149:Field Artillery
1134:
1105:Whitworth rifle
1085:Brunswick rifle
1057:
1013:Infantry swords
999:
990:
960:
955:
937:
906:
858:
784:
711:
688:
668:
636:
613:
590:
566:
562:Somerset cannon
522:
513:
457:
411:
406:
405:
400:
396:
391:
387:
378:
374:
369:
365:
360:
353:
348:
343:
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333:
326:
321:
309:
302:
301:
294:
285:
277:Horse Sand Fort
265:
214:
148:
142:
129:
127:
87:In service
82:Service history
66:
55:
35:
30:
23:
22:
15:
12:
11:
5:
1603:
1601:
1593:
1592:
1587:
1582:
1577:
1567:
1566:
1560:
1559:
1557:
1556:
1551:
1546:
1541:
1539:Nordenfelt gun
1535:
1533:
1527:
1526:
1524:
1523:
1520:
1517:
1514:
1508:
1502:
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1493:
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1486:
1485:
1482:
1477:
1471:
1469:
1463:
1462:
1459:
1458:
1456:
1455:
1453:RML 17.72-inch
1450:
1445:
1440:
1435:
1430:
1425:
1420:
1415:
1410:
1405:
1400:
1398:BL 6-inch Mk V
1395:
1390:
1385:
1379:
1377:
1371:
1370:
1368:
1367:
1362:
1357:
1352:
1347:
1344:
1342:RML 80-pounder
1339:
1334:
1329:
1324:
1319:
1314:
1309:
1307:RBL 40-pounder
1304:
1299:
1296:
1291:
1285:
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1213:
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1205:
1200:
1195:
1190:
1185:
1180:
1175:
1170:
1168:RBL 20-pounder
1165:
1163:RBL 12-pounder
1160:
1157:
1153:
1151:
1142:
1136:
1135:
1133:
1132:
1127:
1122:
1120:Swinburn–Henry
1117:
1112:
1110:Snider–Enfield
1107:
1102:
1097:
1092:
1087:
1082:
1077:
1071:
1069:
1059:
1058:
1056:
1055:
1050:
1045:
1040:
1035:
1030:
1028:Adams revolver
1025:
1020:
1015:
1009:
1007:
1001:
1000:
993:British Empire
991:
989:
988:
981:
974:
966:
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953:
947:
945:
939:
938:
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928:Nordenfelt gun
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907:
905:
904:
899:
894:
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879:
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856:
851:
846:
841:
836:
831:
826:
821:
816:
811:
806:
801:
795:
793:
790:Breech-loaders
786:
785:
783:
782:
777:
772:
767:
762:
757:
752:
747:
742:
737:
732:
726:
724:
713:
712:
710:
709:
703:
701:
690:
689:
687:
686:
680:
678:
670:
669:
667:
666:
661:
659:RBL 40-pounder
656:
654:RBL 20-pounder
651:
647:
645:
638:
637:
635:
634:
629:
623:
621:
615:
614:
612:
611:
606:
600:
598:
592:
591:
589:
588:
586:10-inch 86 cwt
583:
577:
575:
568:
567:
565:
564:
559:
554:
552:32-pounder gun
549:
544:
539:
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531:
524:
523:
516:British Empire
514:
512:
511:
504:
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455:External links
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341:
340:
336:Roman numerals
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304:
303:
296:
295:
288:
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196:was a British
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118:Specifications
115:
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77:United Kingdom
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39:
38:
28:
24:
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13:
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1468:
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1451:
1449:
1446:
1444:
1443:RML 12.5-inch
1441:
1439:
1436:
1434:
1431:
1429:
1426:
1424:
1421:
1419:
1416:
1414:
1411:
1409:
1406:
1404:
1401:
1399:
1396:
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1380:
1378:
1376:
1372:
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1201:
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1191:
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1186:
1184:
1181:
1179:
1176:
1174:
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1169:
1166:
1164:
1161:
1159:RBL 9 pounder
1158:
1155:
1154:
1152:
1150:
1146:
1143:
1141:
1137:
1131:
1128:
1126:
1123:
1121:
1118:
1116:
1115:Martini–Henry
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1008:
1006:
1002:
998:
997:Victorian era
994:
987:
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952:
949:
948:
946:
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911:Light weapons
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854:BL 16.25-inch
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805:
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794:
792:(new pattern)
791:
787:
781:
778:
776:
775:RML 12.5-inch
773:
771:
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650:RBL 9 pounder
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520:Victorian era
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448:archive.today
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27:
19:
1531:Machine guns
1437:
849:BL 13.5-inch
838:
409:Bibliography
397:
388:
375:
366:
266:
256:
253: (1882)
250:
245:
242: (1885)
239:
235: (1881)
232:
228: (1882)
225:
221: (1882)
218:
215:
193:
191:
138: length
95:Used by
51:
26:
1549:Gardner gun
1492:War rockets
1448:RML 16-inch
1388:QF 4.7-inch
1130:Lee–Enfield
1125:Lee–Metford
1080:Baker rifle
923:Gardner gun
918:Gatling gun
897:QF 4.7-inch
780:RML 16-inch
760:RML 11-inch
755:RML 10-inch
644:(Armstrong)
226:Collingwood
223:from 1882,
202:battleships
113:Mks I - VII
68:Coastal gun
1569:Categories
1513:24-pounder
1507:12-pounder
1423:RML 9-inch
1413:RML 8-inch
1408:RML 7-inch
1403:RBL 7-inch
1312:RBL 7-inch
1075:Brown Bess
1033:Webley RIC
834:BL 10-inch
750:RML 9-inch
745:RML 8-inch
740:RML 7-inch
574:shell guns
557:68-pounder
542:24-pounder
537:18-pounder
415:Hogg, I.V.
346:References
283:Ammunition
99:Royal Navy
1554:Maxim gun
1501:6-pounder
1243:, medium,
1241:Howitzers
1140:Artillery
943:Torpedoes
902:QF 6-inch
892:QF 4-inch
819:BL 8-inch
804:BL 5-inch
799:BL 4-inch
698:converted
675:Lancaster
619:Howitzers
251:Edinburgh
248:, and on
246:Conqueror
233:Conqueror
90:1882–1920
64:Naval gun
52:Conqueror
50:HMS
29:Naval gun
1511:Congreve
1505:Congreve
1499:Congreve
1005:Sidearms
721:Woolwich
444:Archived
431:Archived
307:See also
257:Colossus
219:Colossus
110:Variants
1467:Mortars
1063:Muskets
596:Mortars
530:cannons
164:Calibre
1067:rifles
581:8-inch
421:
297:Mk II
136:Barrel
1516:Boxer
1280:Siege
319:Notes
154:Shell
1245:and
1065:and
419:ISBN
275:and
240:Hero
192:The
123:Mass
60:Type
48:On
1571::
354:^
327:^
271:,
259:.
985:e
978:t
971:v
723:)
719:(
700:)
696:(
677:)
508:e
501:t
494:v
20:)
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