Shows grid, street names, and principal buildings.
"Preliminary Edition 1926, scale 4 inches to a mile. 1st Edition 1933; 2nd (Revised) 1940; 3rd (Revised) 1943; 4th 1957."
"Published under the direction of Brigadier Gambhi Singh, M.I.S. (Ind.), Surveyor General of India 1957."
Includes ancillary maps "Index to districts, municipalities & municipal wards" and "Index to bus routes, Calcutta & Howrah" with enlargement of Dalhousie Square & Esplanade area, and notes.