The Thames Tunnel at 200
Brunel and Brunel's finest hour.
Welcome to Londonist: Time Machine, the newsletter of London history.
I have a sooty finger. This historic grime issued from a steam engine several lifetimes ago. After clinging to the wall for the entire 20th century, and beyond, the erstwhile coal-motes have now hitched a ride on my digit. Their fate is to be washed down the sink of the Mayflower pub a…