Antique Mudge Inhaler

Scarce Britannia metal Mudge inhaler with removable lid. John Mudge, physician and astronomer (1721 to 1793) published a book relating to any illness relating to a cough and explained the benefits of using his modified beer tankard!  It was popular for at least 50 years until the introduction of ether although was adapted for this and became multifunctional! Mouthpiece missing. English C1840