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拍品專文
This and the following lot commemorate the sinking of the new pit
at Dawdon Colliery. Dawdon had been the site of the short lived
Londonderry blast furnaces which had closed in 1865, and it was
decided to position the new pit here when the old pits at Seaham
became too expensive to operate as the mines extended further
underground. Whilst it was initially difficult to reach the seam,
taking until 1907 for the colliery to be fully operational, and by 1920
the mine would yield 1,000,000 tons of coal per annum.
at Dawdon Colliery. Dawdon had been the site of the short lived
Londonderry blast furnaces which had closed in 1865, and it was
decided to position the new pit here when the old pits at Seaham
became too expensive to operate as the mines extended further
underground. Whilst it was initially difficult to reach the seam,
taking until 1907 for the colliery to be fully operational, and by 1920
the mine would yield 1,000,000 tons of coal per annum.