Ffeil NLW MS 13186D. - Theatrum historicum et chronologicum

An interleaved copy of Christoph Helwig, Theatrum historicum et chronologicum . . ., Ed. sexta (Oxoniae, 1662), with some manuscript additions (the solar cycle, lunar cycle, Dominical letter, the date of Easter, and the corresponding year in the Hegira or Mohammedan era, etc.). Written on some of the blank leaves at the beginning and end of the volume are genealogical memoranda concerning the family of Humphrey Humphreys, bishop of Bangor and afterwards of Hereford (see also the note facing p. 178), and facing one of the pages of the Index there is a list of dates concerning William Lloyd, bishop of St. Asaph.