Q. Why is your Tumblelog called "My Ear-Trumpet Has Been Struck by Lightning"?
A. Because "My Grandmother's Ear-Trumpet Has Been Struck by Lightning" wouldn't fit in the available space.
Key guns, 1600s
‘Jailers’ keys were apparently filled with gun powder to create a primitive gun that could be detonated if there was any trouble when opening a cell door. We found several original versions that back up this claim, dating from the 17th century and of various complexity.’
my mind is blown