Arclight

• F arc de ciel: rainbow

• Arklow, Co. Wicklow
  • ON logi: flame → Arklow was named after a Danish navigational beacon
  • A Finnegan Wakes Gazetteer

• arclamp

• a light in Noah's Ark

• lamp in HCE's bedroom?

• Berkeley?: George Berkeley, Irish philosopher
  • Third Census of Finnegans Wake