![TIL that door knobs made out of brass automatically disinfect themselves in about 8 hours through the oligodynamic effect : r/todayilearned TIL that door knobs made out of brass automatically disinfect themselves in about 8 hours through the oligodynamic effect : r/todayilearned](https://external-preview.redd.it/7Y8iLee5Y4TFybngmsmW8YcM-jqZEoH4YtZX_-xy-DA.jpg?auto=webp&s=c16e81aaf9ff0ae97348ecd61a2b30faa35732e9)
TIL that door knobs made out of brass automatically disinfect themselves in about 8 hours through the oligodynamic effect : r/todayilearned
![cleaning - What is the least labor intensive way to clean these brass door knobs? - Home Improvement Stack Exchange cleaning - What is the least labor intensive way to clean these brass door knobs? - Home Improvement Stack Exchange](https://i.stack.imgur.com/XxutZ.png)
cleaning - What is the least labor intensive way to clean these brass door knobs? - Home Improvement Stack Exchange
![We have this door hardware throughout our 1905 home. Can anyone tell me more about it? Do they look original, how to clean them up, etc. I've seen beautiful hardware on this We have this door hardware throughout our 1905 home. Can anyone tell me more about it? Do they look original, how to clean them up, etc. I've seen beautiful hardware on this](https://i.redd.it/v7ijyhgetc581.jpg)