Note 71 — DISSERTATION III.
Reading edition
This sound of u, foreigners will nearly obtain, by attempting to pronounce the dipthong iu; that is, the narrow i before u or w; (as in the Spanish word ciudad, a city.) Yet the sound (of u) is not exactly the same, altho it approaches very near to it; for the sound of iu is compound; whereas the u of the English and French is a simple sound.