Tours Philippines :: Telegraphic determination of longitudes in the Philippine Islands: Embracing the meridians of Cavite, Lucena, Guinayangan, Antimonan, Jolo, Siassi, and ... latitudes of the several stations ([Pub.])
Tours Philippines - Telegraphic determination of longitudes in the Philippine Islands: Embracing the meridians of Cavite, Lucena, Guinayangan, Antimonan, Jolo, Siassi, and ... latitudes of the several stations ([Pub.])