These simple semaphore signals were found in many earlier American railroads

Trainz Product Id: 11391209

This is a DPM 112 HO City Cab Co Building Kit

Today tanks similar to these are being used to hold oil and chemicals

Miller Engineering 2 O Desk Top Neon Sign Base ProductID_11991831 These simple semaphore signals wereThis is a Miller Engineering 002 O Scale Desk Top Neon Sign Base. Desk top base for any Miller Engineering 5 channel* animated billboard sign. Now you can put your favorite animated billboard sign on your desk top, in your bookcase or any other flat surface. Its key features are: Made of heavy duty black plastic Chrome trim 4 rubber non skid feet. Dimensions: 6 1 4 wide x 1 3 4 high x 1 1 2 deep. Comes with 46 pre programmed chase patterns. *Works