Equiano sees many things that he is unfamiliar with on his journey, including a telescope and men on horseback.

how does he first explain these new sights in his narrative?

he worries that he has already died.
he thinks that he has been cursed by a rival tribe member.
he worries that he has caught a terrible disease that is affecting what he sees.
he thinks that he is in a different world that is full of magic and evil spirits.