This is Bachmann 42603 O Buy War Bonds Operating Billboard

Use with Cornerstone Double-Track Truss Bridge (933-3242)

The periscope seen on the hatch underside is depicted using separate parts

Model Number: TR1515

Broadway Limited 6461 HO Dow Chemical 6000 Gallon Tank Cars (Set of 2) ProductID_12289698 This is Bachmann 42603 OThis is a Broadway Limited 6461 HO Scale Dow Chemical Aluminum & Black 6000 Gallon Tank (GWEX #631, GWEX #632) (Set of 2). It features: Beautifully Detailed and Accurately Modeled, Precision Paint, Color, and Lettering Schemes, Many Separately Applied Details including Hand Rails, ladders, brake wheel, roof walkway, Detailed Underbody, Composition: ABS body, Diecast Chassis, Wheel Composition: Metal, Couplers: (2) Operating Kadee Compatible,