This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Forth Bridge Inchgarvie superstructure showing erection of skewbacks. Photograph of the Inchgarvie superstructure showing erection of 'skewbacks' Mistakenly dated Dec really This is the first view in the series of Inchgarvie superstructure To any one familiar with the island the difficulties in the way of securing good pictures