Has been demonstrated that it was a fraud by Edward Kelly, just like for the Voynich Ms.Meffy wrote:However, there is some evidence that the Queen's advisor, Dr John Dee, attempted to construct a theurgical / alchemical ribbon microphone. Most portraits of Elizabeth I show her wearing ribbons, so we can be certain half the formula was completed.
P.S.: Yes, the finished capsule would have been Hermetically Sealed. Seven times.
EDIT: concerning the plugin: the worst product in the history of commerce IMO