In Moorfields. So named to distinguish it from the Old Ground near St. Mary Spittel, where formerly the Artillery Company exercised themselves. They moved to the new ground about the latter end of the reign of James I. , described in Strype as being the third great field from Moorgate next to the six Windmills (Strype, Ed. 1720, I. iii. 70).
Shown in O. and M. 1677, to the North of Chiswell Street, on Bunhill Fields, where it still exists between Bunhill Row and City Road.
A Dictionary of London. Henry A Harben. 1918.