This collection of mailable, vintage-photograph postcards celebrates one of the richest and most modern trolley systems in all of New England. In 1865, a horsecar line began providing service from Market Square in Providence to Olneyville. The evolution from horse-drawn cars pulled along a track to the electrification of the system took many years. By 1895, almost all horse-drawn cars were replaced by a robust electric trolley network of routes reaching...