Hyperbolic pulse generator

{{Items The hyperbolic pulse generator is a device created by the British Men of Letters using a combination of technology and magic that can exorcise an angel or demon from its vessel.
 * name= Hyperbolic pulse generator
 * image=
 * manufacturer= The British Men of Letters
 * use= Exorcism of an angel or demon from their vessel
 * powers=
 * location= Many in the possession of the British Men of Letters

Appearances

 * Season 12
 * Lotus