Antique Push Button Light Switch w/ Deco Plastic Cover Hart & Hegeman
The switch is marked "H&H"
On the back it's pressed in: "H&H 4175 Pat. Appld For"
On one end it's marked "Und. Lab Insp" and on the other end "10A 125 V 5A 250V" .
The switch measures 2 1/2" X 1 5/8" and is 2 1/4" deep (to the top of the button)
The switch plate cover is plastic and looks to be deco era.
See pictures.
Hart & Hegeman Mfg Co was in Hartford CT
This was working when I had it replaced some years ago. The house it came from was built in 1907. It still switches and I assume it works still, but I'm selling as is. Screws, if supplied are not original.