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File:NCC block.jpg

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NCC_block.jpg (594 × 598 pixels, file size: 40 KB, MIME type: image/jpeg)

Summary

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This is a photograph of a Tyer's 3-position one-wire absolute block instrument in Carrickfergus signal cabin. The photograph was taken by E.N. Calvert-Harrison.

Licensing

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File history

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Date/TimeThumbnailDimensionsUserComment
current08:25, 5 June 2007Thumbnail for version as of 08:25, 5 June 2007594 × 598 (40 KB)Geologue (talk | contribs)This is a photograph of a Tyer's 3-position block instrument in Carrickfergus signal cabin. The photograph was taken by E.N. Calvert-Harrison.

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