“When the stopper of a glass decanter becomes too tight, a cloth wet with hot water and applied to the neck will cause the glass to expand so that the stopper may be easily removed.” (The American Frugal Housewife by Lydia M.F. Child, 1828)
To be safe, hang large pictures on two hooks, not just one.
Antique mirrors can be cleaned with a piece of newspaper dipped in a solution of equal parts white vinegar and water.
Use a soft-bristle paintbrush to dust lampshades.