and a silver scaffolding-type tower with a ladder leading to a railed platform at the top

when the nascent petroleum industry ordered large quantities of metal tanks carried on wooden car bodies

Here is an Aristo-Craft 46011 Baltimore & Ohio Boxcar

Here is an American Flyer 6-48042 Southern USRA Light Mikado 2-8-2 Steam Locomotive and Tender

Rock crushers similar to this have been in use since the 1940s

Lionel 6-27883 Texas & Pacific ACF 40-Ton Stock Car ProductID_11461400 and a silver scaffolding-type towerThis is Lionel 6 27883 Texas & Pacific ACF 40 Ton Stock Car O. Its key features are: Diecast metal sprung trucks with operating couplers Hidden uncoupling tabs Diecast metal frame Opening doors Four hand painted cattle figures included Road Number: 24042 Dimensions: Length: 11 RailLine: Texas & Pacific Minimum Curve: O 31 Condition: Factory New (C 9) Operational Status: Functional Original Box: Yes (P 9) Manufacturer: Lionel Model Number: 6 27883 Road