Knowledge (XXG)

Imperial Towers

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The imperial towers were originally spelt with a small "i" and this is the definition of an imperial tower - Webster's Dictionary 1904-1951. imperial : In architecture, designating a form of dome or roof, as used in a Moorish buildings. imperial: In architecture, a kind of dome which viewed in
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Consequently, Brown was facing bankruptcy by 1857, and petitioned the provincial government for assistance. Presumably, the government responded favorably since he completed all six and remained in business until his death. By 1859 all six towers were lit. The final cost was approximately $ 223,000,
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As of 2017, all six towers are still standing and are functioning as automated lights. Three have been extensively restored. However, Griffith (on a private island), and especially Nottawasaga, are deteriorating due to lack of maintenance. A fund raising effort is underway to restore the Nottawasaga
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Only minor variations exist in the design of the six towers, as was required for the different building sites. They are all 80 feet (24 m) tall, with the exception of Christian Island, a 55-foot (17 m) tower. The rock courses at the bottom of the towers reach some seven feet thick, and
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All six were built between 1855 and 1859 and all were lit by 1859; for the most part, their construction was simultaneous and the design virtually identical, although the Christian Island Light is not as tall as the others. Cove Island was the first to be lit, on October 30, 1858; construction on
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Construction of the lights was plagued by difficulties. Brown lost four full supply boats, all of which sank before reaching their destinations and unloading. More supplies were lost from being swept overboard during storms and rough seas. Furthermore, delivery of the lighting apparatus for each
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on the Labrador coast; and at West Point on Anticosti Island. Other imperial towers are Mohawk Island (Gull Island), Lake Erie, built in 1848 by John Brown and Government historians list Bois Blanc near Amherstburg Ont built before that as also being an imperial tower.
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hazard which was already well-recognized. Sites were also chosen based on their proximity to good anchorages. The projects cancelled were to be at White Fish Island, Mississagi Strait, Isle St. Joseph, Clapperton Island and Badgley Island.
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is not certain, but some historians speculate that because the towers were public construction built under the colonial administration while Canada was a self-governing colony of Britain, the name would assure at least some funding from the
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Christian Island was the first to be started but this Light was the last to be lit, on May 1, 1859. (The projects cancelled were to be at White Fish Island, Mississagi Strait, Isle St. Joseph, Clapperton Island and Badgley Island.)
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locks in 1855. The settlement of the Bruce Peninsula was already well underway at the time, also making the lighthouses timely as navigational aids for the boats and ships. All are currently operating as automated lights.
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were made by the Louis Sautter Company of Paris and installed by specialist workmen from France. The most powerful (second-order) lenses were used at Point Clark, Chantry, Cove and Nottawasaga Island.
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All were built at a time when commercial shipping traffic was increasing on the Great Lakes between Canada and the U.S. because of new trade agreements and the opening of the
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According to the Heritage Character Statement from the Government of Canada (for the nearly identical Chantry Island light), the design is very strong and somewhat ornate.
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light but more funds will be required. The Christian Island light, located on Beausoleil First Nation lands, also requires restoration.
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the walls at ground level are six feet thick, tapering towards two feet thickness at the top. Though the lighthouses are
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This light was originally contracted to be built on Point William 10 nautical miles SE of Griffiths Island.
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The locations of the towers were chosen based on known traffic patterns; each tower marked a prominent
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profile, pointed toward the top and widens as it descends, as in Moorish buildings; an imperial dome.
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This article is about the six lighthouses in Canada. For the towers in Mumbai, India, see
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Other Imperial Lights were built in the 1860s usually of rock shipped from Scotland, at
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http://www.historicplaces.ca/media/15197/1990-213(e)chantryislandlightstationtower.pdf
716:"Lighthouses@Lighthouse Digest ... The Imperial Towers of Lake Huron and Georgian Bay" 702:"Lighthouses@Lighthouse Digest ... The Imperial Towers of Lake Huron and Georgian Bay" 688:"Lighthouses@Lighthouse Digest ... The Imperial Towers of Lake Huron and Georgian Bay" 647:"Lighthouses@Lighthouse Digest ... The Imperial Towers of Lake Huron and Georgian Bay" 575:"Lighthouses@Lighthouse Digest ... The Imperial Towers of Lake Huron and Georgian Bay" 561:"Lighthouses@Lighthouse Digest ... The Imperial Towers of Lake Huron and Georgian Bay" 772: 348: 458:(1865); Port St. Francis, Quebec on Lake St. Peter (1865); Isle aux Prunes opposite 428: 352: 94: 49: 334: 90: 45: 41: 313: 300: 276: 263: 243: 230: 210: 197: 175: 162: 140: 127: 424: 417: 394: 398: 347:
tower was delayed by competing demand from lighthouse expansion in the
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section near the top of the tower for extra rigidity to support the
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Eventually, only six of the towers were completed. These were:
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Wright, Larry Articles and Great Lakes Lighthouse Encyclopedia -
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and painted with red trim. Each was initially equipped with a
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and a bottleneck in the delivery of the lenses. The
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The origin of the designation 494:Berger, T. & Dempster, D.; 466:on the Gaspe peninsula; in the 531:List of lighthouses in Ontario 496:Lighthouses of the Great Lakes 1: 536:List of lighthouses in Canada 501:Crompton, W. & Rhein, M. 452:Pointe-aux-Trembles, Quebec 367:a massive sum in that era. 795: 18: 225:Nottawasaga Island Light 112:Chantry Island Lighthouse 660:Sapulski, Wayne (1996). 588:Sapulski, Wayne (1996). 470:; at Pointe Amour near 779:Lighthouses in Ontario 382: 363: 258:Griffith Island Light 121:Point Clark Lighthouse 113: 70:Sault Ste. Marie Canal 33: 378: 361: 314:44.78664°N 80.15607°W 277:44.85058°N 80.89137°W 244:44.53656°N 80.25702°W 211:45.32699°N 81.73505°W 176:44.48938°N 81.40194°W 141:44.07281°N 81.75731°W 111: 29: 21:The Imperial (Mumbai) 668:. Foghorn Publishing 596:. Foghorn Publishing 468:Strait of Belle Isle 380:Chantry Fresnel Lens 319:44.78664; -80.15607 310: /  282:44.85058; -80.89137 273: /  249:44.53656; -80.25702 240: /  216:45.32699; -81.73505 207: /  181:44.48938; -81.40194 172: /  146:44.07281; -81.75731 137: /  65:'s Board of Trade. 512:; Inland Sea; 1992 505:; Thunder Bay 2003 464:fr:Cap-des-Rosiers 448:Lotbinière, Quebec 383: 364: 114: 54:Province of Canada 34: 666:Lighthouse Digest 626:HistoricPlaces.ca 594:Lighthouse Digest 488:Sapulski, Wayne; 460:Verchères, Quebec 191:Cove Island Light 85:, a builder from 31:Point Clark Light 786: 756: 751: 745: 744: 737: 731: 726: 720: 719: 712: 706: 705: 698: 692: 691: 684: 678: 677: 675: 673: 657: 651: 650: 643: 637: 636: 634: 632: 623: 615: 606: 605: 603: 601: 585: 579: 578: 571: 565: 564: 557: 498:; Voyageur 2002 325: 324: 322: 321: 320: 315: 311: 308: 307: 306: 303: 293:Christian Island 288: 287: 285: 284: 283: 278: 274: 271: 270: 269: 266: 255: 254: 252: 251: 250: 245: 241: 238: 237: 236: 233: 222: 221: 219: 218: 217: 212: 208: 205: 204: 203: 200: 187: 186: 184: 183: 182: 177: 173: 170: 169: 168: 165: 152: 151: 149: 148: 147: 142: 138: 135: 134: 133: 130: 87:Thorold, Ontario 794: 793: 789: 788: 787: 785: 784: 783: 769: 768: 760: 759: 752: 748: 739: 738: 734: 727: 723: 714: 713: 709: 700: 699: 695: 686: 685: 681: 671: 669: 659: 658: 654: 645: 644: 640: 630: 628: 621: 617: 616: 609: 599: 597: 587: 586: 582: 573: 572: 568: 559: 558: 554: 549: 522: 485: 456:L'Islet, Quebec 444: 423:The towers are 373: 344: 318: 316: 312: 309: 304: 301: 299: 297: 296: 281: 279: 275: 272: 267: 264: 262: 260: 259: 248: 246: 242: 239: 234: 231: 229: 227: 226: 215: 213: 209: 206: 201: 198: 196: 194: 193: 180: 178: 174: 171: 166: 163: 161: 159: 158: 145: 143: 139: 136: 131: 128: 126: 124: 123: 79: 38:Imperial Towers 24: 17: 12: 11: 5: 792: 790: 782: 781: 771: 770: 767: 766: 758: 757: 746: 732: 721: 707: 693: 679: 652: 638: 607: 580: 566: 551: 550: 548: 545: 544: 543: 538: 533: 528: 521: 518: 517: 516: 513: 506: 499: 492: 484: 481: 443: 440: 372: 369: 353:Fresnel lenses 343: 340: 327: 326: 290: 256: 223: 188: 153: 78: 75: 63:British Empire 15: 13: 10: 9: 6: 4: 3: 2: 791: 780: 777: 776: 774: 765: 762: 761: 755: 750: 747: 743:. 2016-10-20. 742: 736: 733: 730: 725: 722: 717: 711: 708: 703: 697: 694: 689: 683: 680: 667: 663: 656: 653: 648: 642: 639: 627: 620: 614: 612: 608: 595: 591: 584: 581: 576: 570: 567: 562: 556: 553: 546: 542: 539: 537: 534: 532: 529: 527: 524: 523: 519: 514: 511: 507: 504: 500: 497: 493: 490: 487: 486: 482: 480: 476: 473: 469: 465: 461: 457: 453: 449: 441: 439: 435: 432: 430: 426: 421: 419: 415: 411: 408: 404: 403:lantern rooms 400: 396: 391: 389: 381: 377: 370: 368: 360: 356: 354: 350: 349:United States 341: 339: 336: 331: 323: 294: 291: 286: 257: 253: 224: 220: 192: 189: 185: 157: 154: 150: 122: 119: 118: 117: 110: 106: 104: 103:Christian Bay 100: 96: 92: 88: 84: 76: 74: 71: 66: 64: 59: 55: 51: 47: 43: 39: 32: 28: 22: 749: 735: 724: 710: 696: 682: 670:. Retrieved 665: 655: 641: 629:. Retrieved 625: 598:. Retrieved 593: 583: 569: 555: 509: 508:Weaver, H.; 502: 495: 477: 472:L'Anse Amour 445: 436: 433: 429:Fresnel lens 422: 392: 384: 379: 365: 345: 342:Construction 335:navigational 332: 328: 115: 95:Georgian Bay 80: 67: 57: 50:Georgian Bay 37: 35: 30: 425:whitewashed 371:Description 317: / 280: / 247: / 214: / 179: / 144: / 99:Point Clark 42:lighthouses 631:October 8, 547:References 305:80°09′22″W 302:44°47′12″N 268:80°53′29″W 265:44°51′02″N 235:80°15′25″W 232:44°32′12″N 202:81°44′06″W 199:45°19′37″N 167:81°24′07″W 164:44°29′22″N 132:81°45′26″W 129:44°04′22″N 91:Lake Huron 83:John Brown 46:Lake Huron 418:cast iron 397:, with a 395:limestone 81:In 1855, 44:built on 773:Category 672:16 March 600:16 March 520:See also 454:(1862); 450:(1860); 97:between 58:Imperial 483:Sources 399:granite 388:conical 77:History 416:, and 410:alloys 407:copper 295:Light 622:(PDF) 414:glass 674:2017 633:2022 602:2017 101:and 93:and 48:and 36:The 775:: 664:. 624:. 610:^ 592:. 420:. 412:, 105:. 718:. 704:. 690:. 676:. 649:. 635:. 604:. 577:. 563:. 23:.

Index

The Imperial (Mumbai)

lighthouses
Lake Huron
Georgian Bay
Province of Canada
British Empire
Sault Ste. Marie Canal
John Brown
Thorold, Ontario
Lake Huron
Georgian Bay
Point Clark
Christian Bay

Point Clark Lighthouse
44°04′22″N 81°45′26″W / 44.07281°N 81.75731°W / 44.07281; -81.75731
Chantry Island Lightstation Tower
44°29′22″N 81°24′07″W / 44.48938°N 81.40194°W / 44.48938; -81.40194
Cove Island Light
45°19′37″N 81°44′06″W / 45.32699°N 81.73505°W / 45.32699; -81.73505
44°32′12″N 80°15′25″W / 44.53656°N 80.25702°W / 44.53656; -80.25702
44°51′02″N 80°53′29″W / 44.85058°N 80.89137°W / 44.85058; -80.89137
Christian Island
44°47′12″N 80°09′22″W / 44.78664°N 80.15607°W / 44.78664; -80.15607
navigational
United States
Fresnel lenses

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