![Report on the Total Solar Eclipse of 1911, April 28. (Observed by the Expedition of the Joint Permanent Eclipse Committee to Vavau, Tonga Islands, South Pacific.)]()
Report on the Total Solar Eclipse of 1911, April 28. (Observed by the Expedition of the Joint Permanent Eclipse Committee to Vavau, Tonga Islands, South Pacific.)Cortie, A. L. · Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences · 1912