Pair of air brake valves plumbed with copper lines and brass fit…

Two cast alloy air-brake valves bolted to a black painted body panel or cab floor, plumbed with hard copper lines and brass compression fittings fanning out across the frame. A blue-labeled tag is visible on the upper valve and self-tapping screws lie loose on the panel.

AI caption April 2005 · Photo 46 of 851