Quantcast
Channel: Jaipreet Virdi-Dhesi » artificial eardrums
Browsing all 2 articles
Browse latest View live

Image may be NSFW.
Clik here to view.

“Tiny Megaphones:” Leonard Invisible Antiseptic Eardrums

In the 1900s, A.O. Leonard of New York City engaged in a mail-order business selling his “Invisible Antiseptic Ear Drums,” which he claimed could cure deafness. Artificial eardrums were quite popular...

View Article



Image may be NSFW.
Clik here to view.

Wilson’s Common Sense Ear Drums

George H. Wilson (1866-1949) of Louisville, Kentucky, received a patent (U.S. #476,853) for his “rimless [and] self-ventilating” artificial eardrum in 1892. Often referred as “wireless phones for the...

View Article
Browsing all 2 articles
Browse latest View live




Latest Images