Name and location of repository
Level of description
Elliptical opening trumpet, ca. 1875
13 in. long. (34 cm.). Elliptical receptor is ca. 5" diameter.
Scope and content
Black (flat finish) metal elliptical opening trumpet with earpiece made out of vulcanite. Mouthpice is elliptical shaped, 5.5 inches wide, with two opposed resonators inside the oval shaped collector. Earpiece is adjustable and can be lowered into the mouthpiece section of the device.
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Conditions governing access
The collection is open and accessible for research.
Conditions governing reproduction
Item description, Reference Code, Bernard Becker Medical Library Archives, Washington University in St. Louis.
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