The precise location of the gate can be seen towards the bottom right of this 18th century map: http://www.motco.com/Map/81002/SeriesSearchPlat...
The overlays that highlight 17th century London features are approximate and derived from:
Open location in Google Maps: 51.516802, -0.096854
Paul Brewster • Link
Wheatley: The old gate was taken down in 1617, and rebuilt in the same year from a design by Gerard Christmas. The gate was injured in the Great Fire, but was repaired and remained until 1761.
Chart showing the number of references in each month of the diary’s entries.