Complex sentence: However, the arrow is a later addition following a period of repair, as can be seen by comparison with Bernard de Montfaucon's engravings of the tapestry as it was in 1729, in which the arrow is absent (see illustration above).
Split into simpler sentences: However, the arrow is a later addition following a period of repair. Evidence of this can be found in a comparison with engravings of the tapestry in 1729 by Bernard de Montfaucon, in which the arrow is absent (see illustration above).