Negative photo of the 1919 solar eclipse

Principe Island, 29 May 1919. Marked on a negative photo of the 1919 solar eclipse are the positions of stars examined in the historic test of Einstein's theory of gravity (from Memoirs of the Royal Astronomical Society LXII, Appendix Plate 1). Enquiries about reproducing this and related totality images should be addressed to the Library of the Royal Astronomical Society, London.