Antique Door Knobs: Identification and Values of Classic Styles | LoveToKnow
Polishing Brass Door Hardware (130 Yrs Old) - YouTube
How to Clean Old Brass Doorknobs
The Best Way to Spray Paint Door Knobs (That Will Outlast You House!)
How to Clean and Refurbish Antique Door Hardware
How to Clean Door Handles | Door Handle Store
Should I clean/polish/restore these old door knobs? If so, how? They're in a Circa 1920 home I just bought! They look like they might be copper or copper plated...thoughts?? : r/centuryhomes
How to Clean and Restore the Antique Finish on DOOR LOCKs At Home - YouTube
Clean and Re-finish Old Door Knobs and Hardware : 5 Steps - Instructables