Paul looking at a sign that would be mounted in the bus or trolley indicating its route.

one of the United Traction Company trolleys, announcing "Modern Buses will be substituted for trolley cars

Paul looking at a calendar.

Paul looking at a metal destination sign and a metal car stop sign.

Red and green signal flags, a stand that Fred Abele made to hold the timetables, and a box of tools probably used to repair trolleys or buses.