Hecla from Westman Islands rcgl

Image extracted from page 6 of "Notes of the cruise of the “Caprice” Yacht, Royal St. George's Yacht Club, to Iceland and Norway, in the summer and autumn of 1850. [Signed, W. T. P., i.e. W. T. Potts.]"', by POTTS, W. T.. Original held and digitised by the British Library. Copied from Flickr.

Image rotated, cropped, greyscale, levels adjusted.