William J. Thomson, paymaster on the USS Mohican, spent twelve days on Easter Island from 19 December to 30 December 1886, during which time he made an impressive number of observations, including some which are of interest for the decipherment of the rongorongo.
William J. Thomson menghabiskan dua belas hari di Pulau Paskah dari 19 Desember hingga 30 Desember 1886, dan saat itu ia melakukan beberapa pengamatan yang terkait dengan penguraian rongorongo.