Laura’s neighbor has planted a few in the rock garden. I’ve got glass doorknobs in my doors at home (built 1900)
Turns out although they been invented in 1826, glass doorknobs became really popular when metal was needed for WWI click to read
Here’s an article to determine just how old your vintage glass doorknob is….
And is it doorknob or door knob? here’s what grammarly says
“Is door knob a compound word?
Compound words can be written in three ways: as open compounds (spelled as two words, e.g., ice cream), closed compounds (joined to form a single word, e.g., doorknob), or hyphenated compounds (two words joined by a hyphen, e.g., long-term).”