Original Text
And I saw how they are weighed in a righteous balance according to their proportions of light: (I saw) the width of their spaces and the day of their appearing, and how their revolution produces lightning: and (I saw) their revolution according to the number of the angels, and (how) they keep faith with each other.
Simple English
I observed how they are measured in a fair scale according to their amounts of light. I saw the size of their paths and the day they appear, and how their movement creates lightning. I also saw their movement according to the count of the angels, and how they remain true to each other.