Sharing is not just caring, it's also about giving credit - add this image to your page and give credit to the talented photographer who captured it.:
ancient antique black boiler classic coal compressor detail dirty energy engine engineer engineering equipment fire gage gas heat historic hot industry iron locomotive machine metal motor old oldtimer part physical physics pipes piston power pressure rail railroad railway red retro rusty steam steamtrain steel technology train transport transportation travel valve valves vehicle vintage wheel worn