Image: Network Rail Virtual Archive Box Tunnel
Size of this preview: 800 × 500 pixels. Other resolutions: 320 × 200 pixels | 1,024 × 640 pixels.
Original image (1,024 × 640 pixels, file size: 384 KB, MIME type: image/jpeg)
Description: Contrast-enhanced scan of original engineering drawing of the longitudinal cross-section of Box Tunnel, dated 7 July 1838.
Title: Network Rail Virtual Archive Box Tunnel
Credit: http://www.networkrail.co.uk/VirtualArchive/box-tunnel/
Author: Great Western Railway
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
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