CP Rail / Union Pacific - Bottling the air (1990) 

Thanks for reuploading this. One of my favorite railroad instructional videos.

6:02 Pascal's Principle 6:46 Charles' Law 9:18 Charging 10:47 Application 11:38 Lap 12:50 Release 21:53 Accelerated Release 24:48 Release Rod 12:58 Normal Gradient 17:26 Inverse Gradient 18:04 False Gradient

Thank you for uploading this video. Farmer John hog block at 19:00

*Union Pacific Gang!*

Molto interessante!!!

Its better to bottle a DPU and leave it linked