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No. 76 special incendiary grenade

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188:: "There was some concern that, if the tank drivers could not pull up quickly enough and hop out, they were likely to be frizzled to death, but after looking at the bottles they said they would be happy to take a chance." The drivers were proved right; trials on modern British tanks confirmed that Molotov and SIP grenades caused the occupants of the tanks "no inconvenience whatsoever". 150:. Over time, the rubber would slowly dissolve, making the contents slightly sticky, and the mixture would separate into two layers; this was intentional, and the grenade was not to be shaken to mix the layers, as this would only delay ignition. When thrown against a hard surface, the glass would shatter and the contents would instantly ignite, liberating choking fumes of 191:
The Home Guard hid caches of these grenades during the war, for use in the event of an invasion. Not all locations were officially recorded and some caches were lost. Occasionally, the caches are discovered by builders digging foundations. In all cases, the grenades are still found to be dangerous,
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at pieces of wood and into a hut. Upon breaking, the phosphorus was exposed to the air and spontaneously ignited; the petrol also burned, resulting in a fierce fire. Because of safety concerns, the RAF was not interested in white phosphorus as a source of ignition, but the idea of a self-igniting
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petrol bomb took hold. Initially known as an "A.W. bomb" (for the manufacturers, Albright and Wilson), it was officially named the "No. 76 grenade", but was more commonly known as the "SIP" (self-igniting phosphorus) grenade. The perfected list of ingredients was white phosphorus,
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as an anti-tank weapon, it was produced in vast numbers; by August 1941 well over 6,000,000 had been manufactured. The grenade could either be thrown by hand, or fired from the
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Strict instructions were issued to store the grenades safely, preferably underwater and certainly never in a house. Mainly issued to the
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could be used to ignite incendiary bombs. The demonstration involved throwing glass bottles containing a mixture of
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Sussex Police statement re. the discovery of a cache of approximately 80 grenades in Eastbourne in 2015
185: 151: 574: 559: 166: 122: 656: 162: 17: 605: 411: 216: 177: 268:, Appendix B: "The Self-Igniting Phosphorus Grenade, The AW Grenade". 29 August 1940, p. 25. 130: 620: 589: 584: 206: 170: 155: 126: 173:; a stronger container was needed for the latter, and the two types were colour-coded. 610: 678: 646: 579: 569: 201: 146:, water, and a two-inch strip of raw rubber, all in a half-pint bottle sealed with a 554: 549: 535: 489: 344: 115: 636: 615: 531: 226: 651: 564: 439:"A massive number of bombs have been cleared from the Cambridge ice rink site" 250:
MacKenzie, 1995, p. 92: gives a figure of "more than 6,000,000 by August 1941"
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and SIP grenades against the more modern German tanks. Weapon designer
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BBC News item re. the discovery of No 76 grenades in Wales in 2005
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There were many who were sceptical about the efficacy of
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and are typically destroyed via a controlled explosion.
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No. 42, No. 43 (Night), No 48, No 52 Signal Grenades
388:"Bomb disposal experts detonate unexploded grenades" 690:
World War II infantry weapons of the United Kingdom
629: 598: 542: 84: 76: 71: 60: 55: 47: 39: 32: 260: 258: 256: 212:British anti-invasion preparations of World War II 408:The Home Guard: A Military and Political History 515: 158:, as well as producing a great deal of heat. 8: 695:World War II grenades of the United Kingdom 522: 508: 500: 29: 700:Weapons and ammunition introduced in 1940 560:Nos. 3, 20, 24, 35 "Hales rifle grenade" 184:witnessed a trial of the SIP grenade at 357: 243: 331: 319: 369: 7: 585:Nos. 8, 9 double cylinder "jam tin" 469:Repository of UK government records 432:. Roundwood Press. SBN 900093-22-6. 25: 345:"Bomb team tackles WWII grenades" 100:No. 76 special incendiary grenade 34:No. 76, self-igniting phosphorus 18:No. 76 Special Incendiary Grenade 125:of Oldbury demonstrated to the 121:On 29 July 1940, manufacturers 106:(Albright and Wilson bomb) and 266:Military Training Manual No 42 61: 1: 555:No. 2 grenade "Hales Pattern" 278:Handbook for the Projectors, 102:also commonly known as the 430:Winston Churchill's Toyshop 410:. Oxford University Press. 347:. BBC News. 24 August 2005. 716: 48:Place of origin 406:Mackenzie, S.P. (1995). 294:, September 1941. p. 26. 565:Nos. 5, 23, 36 "Mills" 465:"The National Archives" 386:Brown, Raymond (2017). 303:Northover Projectors - 292:inch, Marks I & II 437:Pilgrim, Tom (2018). 309:The National Archives 616:No. 74 "sticky bomb" 530:British grenades of 186:Farnborough Airfield 152:phosphorus pentoxide 685:Incendiary grenades 621:No. 75 AT "Hawkins" 575:No. 15 ball grenade 167:Northover projector 123:Albright and Wilson 80:phosphorus, benzene 657:Bomb, ground, 6 lb 380:General references 56:Production history 43:Incendiary grenade 27:Incendiary grenade 670: 669: 606:No. 68 AT (rifle) 334:, pp. 84–85. 217:Operation Outward 178:Molotov cocktails 96: 95: 16:(Redirected from 707: 611:No. 73 "Thermos" 524: 517: 510: 501: 479: 477: 475: 453: 451: 449: 433: 421: 402: 400: 398: 373: 367: 361: 355: 349: 348: 341: 335: 329: 323: 317: 311: 301: 295: 291: 290: 286: 283: 275: 269: 262: 251: 248: 131:white phosphorus 112:white phosphorus 63: 35: 30: 21: 715: 714: 710: 709: 708: 706: 705: 704: 675: 674: 671: 666: 637:No. 82 "Gammon" 625: 594: 590:Garland grenade 538: 528: 486: 473: 471: 463: 460: 447: 445: 436: 424: 418: 405: 396: 394: 385: 382: 377: 376: 368: 364: 356: 352: 343: 342: 338: 330: 326: 318: 314: 302: 298: 288: 284: 281: 279: 276: 272: 263: 254: 249: 245: 240: 235: 207:Blacker Bombard 198: 156:sulphur dioxide 127:Royal Air Force 89: 87: 33: 28: 23: 22: 15: 12: 11: 5: 713: 711: 703: 702: 697: 692: 687: 677: 676: 668: 667: 665: 664: 659: 654: 649: 644: 639: 633: 631: 627: 626: 624: 623: 618: 613: 608: 602: 600: 596: 595: 593: 592: 587: 582: 577: 572: 567: 562: 557: 552: 550:Grenade, No. 1 546: 544: 543:Anti-personnel 540: 539: 529: 527: 526: 519: 512: 504: 498: 497: 492: 485: 484:External links 482: 481: 480: 459: 456: 455: 454: 443:Cambridge News 434: 426:Macrae, Stuart 422: 416: 403: 392:Cambridge News 381: 378: 375: 374: 362: 350: 336: 324: 322:, p. 120. 312: 296: 270: 252: 242: 241: 239: 236: 234: 231: 230: 229: 224: 219: 214: 209: 204: 197: 194: 94: 93: 90: 85: 82: 81: 78: 74: 73: 72:Specifications 69: 68: 65: 58: 57: 53: 52: 51:United Kingdom 49: 45: 44: 41: 37: 36: 26: 24: 14: 13: 10: 9: 6: 4: 3: 2: 712: 701: 698: 696: 693: 691: 688: 686: 683: 682: 680: 673: 663: 660: 658: 655: 653: 650: 648: 645: 643: 640: 638: 635: 634: 632: 630:Special types 628: 622: 619: 617: 614: 612: 609: 607: 604: 603: 601: 597: 591: 588: 586: 583: 581: 578: 576: 573: 571: 570:No. 6 grenade 568: 566: 563: 561: 558: 556: 553: 551: 548: 547: 545: 541: 537: 533: 525: 520: 518: 513: 511: 506: 505: 502: 496: 493: 491: 488: 487: 483: 470: 466: 462: 461: 457: 444: 440: 435: 431: 427: 423: 419: 417:0-19-820577-5 413: 409: 404: 393: 389: 384: 383: 379: 371: 366: 363: 359: 354: 351: 346: 340: 337: 333: 328: 325: 321: 316: 313: 310: 306: 300: 297: 293: 274: 271: 267: 261: 259: 257: 253: 247: 244: 237: 232: 228: 225: 223: 220: 218: 215: 213: 210: 208: 205: 203: 202:No 73 Grenade 200: 199: 195: 193: 189: 187: 183: 182:Stuart Macrae 179: 174: 172: 168: 164: 159: 157: 153: 149: 148:crown stopper 145: 140: 136: 132: 128: 124: 119: 117: 113: 109: 105: 101: 91: 83: 79: 75: 70: 66: 59: 54: 50: 46: 42: 38: 31: 19: 672: 536:World War II 472:. Retrieved 468: 446:. Retrieved 442: 429: 407: 395:. Retrieved 391: 365: 358:Pilgrim 2018 353: 339: 327: 315: 299: 277: 273: 265: 264:War Office. 246: 190: 175: 160: 120: 116:World War II 114:used during 107: 103: 99: 97: 647:No. 77 (WP) 642:No. 76 (WP) 532:World War I 458:Collections 332:Macrae 1971 320:Macrae 1971 227:Sticky bomb 169:, a simple 108:SIP grenade 64: built 679:Categories 652:Lewes bomb 370:Brown 2017 233:References 163:Home Guard 139:phosphorus 129:how their 86:Detonation 599:Anti-tank 474:26 August 305:WO 185/23 222:Smith Gun 104:A.W. bomb 88:mechanism 67:6,000,000 428:(1971). 196:See also 287:⁄ 144:benzene 77:Filling 580:No. 69 534:& 448:30 May 414:  397:30 May 171:mortar 135:petrol 92:Impact 238:Notes 476:2010 450:2018 412:ISBN 399:2018 154:and 137:and 98:The 40:Type 62:No. 681:: 467:. 441:. 390:. 307:, 255:^ 118:. 523:e 516:t 509:v 478:. 452:. 420:. 401:. 372:. 360:. 289:2 285:1 282:+ 280:2 20:)

Index

No. 76 Special Incendiary Grenade
white phosphorus
World War II
Albright and Wilson
Royal Air Force
white phosphorus
petrol
phosphorus
benzene
crown stopper
phosphorus pentoxide
sulphur dioxide
Home Guard
Northover projector
mortar
Molotov cocktails
Stuart Macrae
Farnborough Airfield
No 73 Grenade
Blacker Bombard
British anti-invasion preparations of World War II
Operation Outward
Smith Gun
Sticky bomb



WO 185/23
The National Archives
Macrae 1971

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