East River

Chambers's Encyclopaedia, Volume 4: Dionysius to Friction, p. 176

East River, the strait between Long Island Sound and New York Harbour, separating the cities of Brooklyn and New York. It is about 10 miles long, and \frac{1}{2} mile wide at the narrowest point, and is navigable by the largest slips.

Source scan(s): p. 0185