World’s first telephone book sells for $170,500 (NY Times)

“In June, Christie’s auction house sold a 40-page telephone directory for New Haven, Connecticut, dating from November 1878 . . . dating from November 1878 for $170,500. Part of the private collection of physician and amateur astronomer Richard Green, the directory listed only names—no phone numbers—for the first telephone exchange in the world…”

NYTimes.com