oops a little typo - It was built between 1907 and 1810.

It was built between 1807 and 1810.

thanks for the link, Helen

wikipedia - Bell lighthouse off the coast of Angus, Scotland, is the world's oldest surviving sea-washed lighthouse -
photo caption "Bell Rock Lighthouse with reef just visible" there it is poking out of the sea, what an amazing piece of technology

I wondered if there were pics of it during construction & found this in the same article, caption "Engraving of the lighthouse under construction in 1809, next to the temporary beacon that was constructed alongside it to accommodate the workers and serve as a temporary lighthouse"

Bell Rock Lighthouse – A stone tower in stormy seas The oldest surviving sea-washed lighthouse, the Bell Rock Lighthouse is a triumph of engineering and persistence. - more pics & engineering info