A 'Princess' is hiding in this abandoned Harlem storefront

“It’s little …  It’s lovely …  It lights.”

So went the jaunty slogan for the Western Electric Princess phone, the designer phone that was introduced in 1959. The phone, which came in a range of fun colors to match your early “Mad Men” decors, was marketed toward women. It was the perfect extension phone to have in the bedroom, and it was the Bell System’…