WAY too late, but
Way too late to be included in the vote, but I thought these were worth sharing regardless.....
My "burner" badge, from when I served my apprenticeship....many moons ago....many many....
The pressure gauge still works, I have it on my compressor just for ****s and giggles. It was in use on the water pressure system in the old farm house. I haven't a clue how old it is, but the water pressure system was "pre electricity" on the farm. Water was let into a large tank in the basement, and air pressure (by hand) was used to move the water up.