Translating the seventeenth sentence

Let us now try to translate the entire seventeenth sentence of our text:

LITERAL TRANSLATION

When the-anchor standing on base-his standing the-letters on head-their, and-from the-generality same the-anchor the-inverted was also standard-his of Janneus.

LITERAL TRANSLATION

When the anchor stands on its base, the letters stand on their head, and surely the same inverted anchor was the Janneus's symbol too.