London underground under construction in 1860s (15 photos)

Construction work near South Kensington Station.

Construction site to the west of Waterloo Bridge, 1866-1870.

Building the Metropolitan District Railway, 1867.

District Line construction outside Somerset House, 1869.

High Street Kensington’s roof taking shape.

Bayswater Station upon completion, 1866.

Gloucester Road Station under construction, 1866.

Construction work on the site of Blackfriars Station.

Bayswater Station, just after completion.

Metropolitan District Railway construction, 1866.

Gloucester Road Station, 1868.

Notting Hill Gate Station.

High Street Kensington, 1868.

Notting Hill Gate, 1866.

Paddington Station in 1868, the year it opened.