Sale on 05 NOV 3 Trolleys of unknown origin, pretty good condition for their age,,, http://www.autoblog.com/2014/10/25/detroit-vehicle-trolly-car-auction/ https://www.hilcoind.com/sale-detai...a049c-da78-f31c-d724-51ed53fcc364#asset-67098
Too bad they don't have the background story on these items. If true as guessed how they were used, surely someone associated with that operation could be found to help trace heritage.
