This was the site of the 'tin tunnel', a structure built over the Penicuik railway to prevent sparks above the Roslin Gunpowder Mills. It was about 744 feet long. The view looks north west.

Location: Tin Tunnel (former)

Original line: Penicuik Railway

Photographer: Ewan Crawford

Contact photographer: Ewan Crawford

Contact editor

Date: 21/02/2023

Image number: 84646

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