Primrose Hill Tunnel near London, on the London and Birmingham Railway, opened in 1838. Engineer Robert Stephenson (1803-1859) Built through difficult London clay, the 3/4 mile tunnel cost ?240,000. The portal cost ?7,000. Picture shows elementary signally by bells, policeman with flag, and early rotating disc on a standard. From The British Gazeteer (London, 1852). Engraving.
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Creative#:
TOP09159998
Source:
達志影像
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RM
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須由TPG 完整授權
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PrimroseHillTunnelnearLondonLondonBirminghamRailwayopened1838EngineerRobertStephenson1803-1859BuiltthroughdifficultLondonclay3/4miletunnelcost?240000portalcost?7000PictureelementarysignallybellspolicemanflagearlyrotatingdiscstandardBritishGazeteerLondon1852EngravingBritainTransportRailSteamCivilEngineering
0000001803-1859183818523/4?240?7BirminghamBritainBritishBuiltCivilEngineerEngineeringEngravingGazeteerHillLondonLondonLondonLondonPicturePrimroseRailRailwayRobertSteamStephensonTransportTunnelbellsclaycostcostdifficultdiscearlyelementaryflagmilenearopenedpolicemanportalrotatingsignallystandardthroughtunnel