The Equinox Project - Research archive of the Equinox Project. It includes a new method of understanding petroglyphs. Sun powered devices that note specific times of the solar year accurately are also a feature. Ogham Inscriptions Index - Jost Gippert of Frankfurt University aims to provide a new edition of the corpus of ogham inscriptions. Photographs with translations of ogham stones from Ireland, Wales and Scotland. Bibliography. The Ogam Scales from the Book of Ballymote - The Equinox Project reproduces this article by Barry Fell from the Epigraphical Society Occasional Papers vol.22, which includes the ogam alphabets listed in the Book of Ballymote. The Ogham Stone - Liberty Mill's illustrated guide to this ancient Irish writing system, with a complete table of Ogham characters. Examples of standing stones with Ogham inscriptions. Links. The Traditional History of the Ogham - An essay by Kevin Jones arguing for a derivation from the Greek alphabet. Celtic Ogham - Curtis Clark describes this old Irish alphabet and the plants that correspond to it. He considers its origins in the light of the distribution of those plants, with maps.