Complex sentence: Furthermore Lepsius never made the text of the Westcar Papyrus public; he stored the papyrus at home in the attic, where it was found a little later after Lepsius' death.
Split into simpler sentences: Furthermore Lepsius never made the text of the Westcar Papyrus public. In fact he stored the papyrus at home in the attic, where it was found a little later after Lepsius' death.