West End, 1889 — in 3D

42 places from the stories, on 12,117 buildings traced one by one from the Ordnance Survey 1:2500 map of 1869–1880. 110 of them have a photo on Wikimedia Commons that names the building. building (OS 1:2500) with photo estimated block · heights exaggerated 1.8×
Q/E rotate · W/S tilt · R reset · N north up · K old maps · scroll to zoom, drag to pan, click a light for Doyle’s words, a building for its name.
▶ demo is the best way in: it tells a story on the map, stop by stop, and switches between the surveyors’ sheets and Booth’s colours as it goes. Watch where the rich and the poor streets meet; Doyle knew exactly which side of that line each of his characters lived on. The whole of London · other districts: Marylebone, Westminster & Lambeth, Holborn & the City · Whitechapel, 1888.