If you have something someone else already posted call them on it.
I'll start.
This is a Hardens Hand Grenade Fire Extinguisher.

My father found a case of these while checking out an abandoned school in Harlem during the late 1950s. He was NYPD and checking for vagrants.
On one side it says
Hardens Hand Grenade Fire Extinguisher.

On the other it says
Patented No.1
AUG 8 1871
AUG 14 1883

As an interesting side note.
Anyone remember the TV show Wonderama?
I was on that show when I was a kid.
Kids used to bring things in that were unusual for a show and tell type thing. I brought this.
Edited by OH UNCLE PAUL, February 28 2014 - 06:52 PM.