
Philadelphia Transportation Co.
16 mm. White Metal. Atwood-Coffee PA 750 AF.

Philadelphia Transportation Co.
16 mm. Brass. Atwood-Coffee PA 750 AI.
Philadelphia Transportation Co.
20 mm. Brass. Atwood-Coffee PA 750 A0.

Philadelphia Transportation Co.
1952. 16 mm. Brass? Atwood-Coffee PA 750 AR.