Knowledge (XXG)

Cap d'Antifer Lighthouse

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After the war a temporary pole light was erected, with construction of the current lighthouse beginning in 1949. Completed in 1955, it has a 38 m high octagonal concrete tower with fluted sides, with a focal height of 128m. Rather than building it in the same spot as the old light, the site was moved
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before being installed in the tower, the only hyper-radial lens to be used in a French lighthouse. To enable the optic to turn freely it was mounted upon a circular bath of mercury, known as a mercury float, providing an almost frictionless bearing. The rotation produced a white flash every 20
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The need for a lighthouse on the Cap d’Antifer, was identified in 1889, primarily to aid navigation to the entrance Le Havre. It was suggested that it should have a powerful light source, similar to that used for other landfall lighthouses, as the existing light at
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seconds, with a range of 31 miles. Originally lit with mineral oil and wick burners, the light source was converted to kerosene in 1905. In 1926, the lighthouse was electrified using diesel generators.
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back 30m away from the eroding cliff edge. A grassy berm was also placed around the site, to protect the keeper's houses from the wind in the clifftop location. In 2002, the lighthouse was declared a
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The current lighthouse was commissioned in 1955 and is the second to be built at the site after the original 19th century lighthouse was destroyed during World War II.
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In 1890, the Commission des Phares made the decision to construct the lighthouse, with a tower height of 26m, and a focal plane of 120m, and it was completed in 1894.
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The optic used is smaller than the hyper-radial of the previous lighthouse, being of the second-order with a focal length of 700mm, but from the same company of
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It continued in operation through to the Second World War, until German soldiers demolished the entire lighthouse and the optic as they withdrew at the end of
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available. Made up of six bullseye panels, and manufactured by F. Barbier, the optic was displayed at the
292: 178: 161: 118: 305: 205:) is an active aid to navigation on the headland of the same name which forms part of the French 425: 421: 222: 198: 280: 498: 210: 545: 37: 272: 308:. It is registered under the international Admiralty number A1250 and it has the 450: 82: 69: 238: 214: 284: 251: 451:"Lighthouses of France: Haute-Normandie (Eastern Normandy)" 217:. Located on the edge of the cliffs within the commune of 504:
United States National Geospatial-Intelligence Agency
177: 169: 151: 143: 135: 130: 111: 103: 98: 59: 48: 267:The lantern room was designed to accommodate a 209:(Alabaster coast) of the English Channel, in 8: 490:British Isles, English Channel and North Sea 22: 459:University of North Carolina at Chapel Hill 221:, it was built to guide shipping into the 173:29 nautical miles (54 km; 33 mi) 160: 117: 36: 21: 444: 442: 572:Monuments historiques of Seine-Maritime 479: 477: 475: 377: 321: 416: 414: 412: 410: 387: 385: 383: 381: 515: 513: 395:(in French). dirm-memn. 24 April 2013 7: 16:Lighthouse in Seine-Maritime, France 567:Lighthouses of the English Channel 14: 115:monument historique inscrit  348: 336: 324: 241:was inadequate in this respect. 26: 277:Exposition Universelle of 1889 1: 562:Lighthouses completed in 1955 557:Lighthouses completed in 1894 367:List of lighthouses in France 331:View of cliffs and lighthouse 262:Exposition Universelle (1889) 317:Barbier, Benard, et Turenne 588: 187: 156:hyperradiant Fresnel lens 126: 44: 35: 455:The Lighthouse Directory 312:identifier of 114–8740. 219:La Poterie-Cap-d'Antifer 195:Cap d'Antifer Lighthouse 147:128 metres (420 ft) 53:La Poterie-Cap-d'Antifer 23:Cap d Antifer Lighthouse 107:38 metres (125 ft) 271:, the largest type of 264: 202: 552:Lighthouses in France 295:in late summer 1944. 255: 506:. 2016. p. 126. 293:Occupation of France 527:. Lighthouse Digest 525:Lighthouse Explorer 306:monument historique 79: /  32: 269:hyper-radial optic 265: 260:on display at the 83:49.6835°N 0.1654°E 422:"Phare d'Antifer" 393:"Phare d'Antifer" 258:hyper-radial lens 191: 190: 579: 537: 536: 534: 532: 517: 508: 507: 495: 486:List of Lights, 481: 470: 469: 467: 465: 446: 437: 436: 434: 432: 418: 405: 404: 402: 400: 389: 352: 340: 328: 223:Port of Le Havre 165: 164: 122: 121: 94: 93: 91: 90: 89: 84: 80: 77: 76: 75: 72: 40: 33: 31: 30: 587: 586: 582: 581: 580: 578: 577: 576: 542: 541: 540: 530: 528: 521:"Cap d'Antifer" 519: 518: 511: 493: 483: 482: 473: 463: 461: 449:Rowlett, Russ. 448: 447: 440: 430: 428: 420: 419: 408: 398: 396: 391: 390: 379: 375: 363: 356: 353: 344: 343:Detail of tower 341: 332: 329: 301: 299:1955 lighthouse 250: 234: 203:Phare d'Antifer 159: 116: 88:49.6835; 0.1654 87: 85: 81: 78: 73: 70: 68: 66: 65: 24: 20: 17: 12: 11: 5: 585: 583: 575: 574: 569: 564: 559: 554: 544: 543: 539: 538: 509: 499:List of Lights 471: 438: 406: 376: 374: 371: 370: 369: 362: 359: 358: 357: 354: 347: 345: 342: 335: 333: 330: 323: 300: 297: 249: 246: 233: 230: 211:Seine-Maritime 207:Côte d'Albâtre 189: 188: 185: 184: 181: 179:Characteristic 175: 174: 171: 167: 166: 153: 149: 148: 145: 141: 140: 137: 133: 132: 128: 127: 124: 123: 113: 109: 108: 105: 101: 100: 96: 95: 63: 57: 56: 50: 46: 45: 42: 41: 18: 15: 13: 10: 9: 6: 4: 3: 2: 584: 573: 570: 568: 565: 563: 560: 558: 555: 553: 550: 549: 547: 526: 522: 516: 514: 510: 505: 501: 500: 492: 491: 487: 480: 478: 476: 472: 460: 456: 452: 445: 443: 439: 427: 424:(in French). 423: 417: 415: 413: 411: 407: 394: 388: 386: 384: 382: 378: 372: 368: 365: 364: 360: 351: 346: 339: 334: 327: 322: 320: 318: 313: 311: 307: 298: 296: 294: 289: 286: 282: 278: 274: 270: 263: 259: 254: 247: 245: 242: 240: 231: 229: 226: 224: 220: 216: 212: 208: 204: 200: 196: 186: 182: 180: 176: 172: 168: 163: 157: 154: 150: 146: 142: 138: 134: 129: 125: 120: 114: 110: 106: 102: 97: 92: 64: 62: 58: 54: 51: 47: 43: 39: 34: 29: 529:. Retrieved 524: 497: 489: 485: 462:. Retrieved 454: 429:. Retrieved 426:Base Mérimée 397:. Retrieved 314: 302: 290: 281:world's fair 273:Fresnel lens 266: 243: 235: 227: 194: 192: 144:Focal height 86: / 61:Coordinates 546:Categories 373:References 355:Night view 71:49°41′01″N 19:Lighthouse 488:Pub. 114: 136:First lit 74:0°09′55″E 361:See also 283:held in 215:Normandy 183:Fl W 20s 112:Heritage 55:, France 49:Location 531:20 July 464:20 July 431:20 July 399:20 July 232:History 239:Fécamp 199:French 158:  104:Height 494:(PDF) 285:Paris 248:Optic 170:Range 131:Light 99:Tower 25: 533:2020 466:2020 433:2020 401:2020 256:The 193:The 152:Lens 139:1955 310:NGA 548:: 523:. 512:^ 502:. 496:. 474:^ 457:. 453:. 441:^ 409:^ 380:^ 279:a 225:. 213:, 201:: 535:. 468:. 435:. 403:. 197:(

Index



La Poterie-Cap-d'Antifer
Coordinates
49°41′01″N 0°09′55″E / 49.6835°N 0.1654°E / 49.6835; 0.1654
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hyperradiant Fresnel lens
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Characteristic
French
Côte d'Albâtre
Seine-Maritime
Normandy
La Poterie-Cap-d'Antifer
Port of Le Havre
Fécamp

hyper-radial lens
Exposition Universelle (1889)
hyper-radial optic
Fresnel lens
Exposition Universelle of 1889
world's fair
Paris
Occupation of France
monument historique
NGA
Barbier, Benard, et Turenne
View of cliffs and lighthouse
Detail of tower

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