I had a classic car with a lot of chrome, and there were special chrome cleaning products that did an excellent job. Just be sure to use a light touch, because chrome is a thin layer of electroplating, and it is possible to rub it off, which sharply reduces the value of the object. If you are trying to get into nooks and crannies, use something soft such as an old toothbrush.

Toothpaste

Thank you.

I'm taking the success of your YA advice underground again next week.

0000 steel wool. Rub gently and it will turn out looking like new.

For mining lamps with years of grime and soot.

Rinsed the loose grit off. Are using water wet

rag to clean interior flammable gunk. I'm doing

work outside away from ignition sources. Lamp

brass seems to be in good repair.