This entire collection has been acquired by William F. Austin, Chairman of Starkey Laboratories for inclusion in his HQ Museum of Antique Hearing Devices, Eden Prairie, MN.
EarTrumpet.com
Antique Hearing Instruments
From the collection of Roy F. Sullivan, Ph.D.
HOME PAGE
More
Use tab to navigate through the menu items.
Content
Domes
Catalogues
Cermen Management
Horns
Books
Ephemera
Tubes
Frauds
![Kircherellipsis]_edited.jpg](https://static.wixstatic.com/media/809744_31aca2dab12c40b4aa1208458fb5564e~mv2.jpg/v1/fill/w_302,h_134,al_c,q_80,usm_0.66_1.00_0.01,enc_auto/Kircherellipsis%5D_edited.jpg)