Émilie Du __, French Thinker, Translated Principia
This page is the CodyCross answer for the clue below from Train Travel, Group 713, Puzzle 3 (Overhead Wires).
Question is: Émilie Du __, French Thinker, Translated Principia
and the answer is: CHATELET
Word Meaning:
CHATELET — (obsolete) A little castle.
Definitions from Wiktionary.