When I was in London a few years back, I came across a man selling glass photographic plates at a flea market. He had crates full of them. Knowing I was seconds away from a hedonistic binge, I warned myself, “You’re only allowed to buy two, Steph.” I’m still impressed I stuck to that command.

PS: For those who want to examine every detail of that old New York map (like me!), the full size image is available if you click through.