Phonendoscope, Bazzi-Bianchi
date: label: patent date
content: 1894-10-02
label: patent date
content: 1897-01-19
notes: label: Description
content: A phonendoscope is a binaural stethoscope that amplifies sound by means of two parallel resonating plates. The form was introduced by Italian physicians Eugenio Bazzi and Aurelio Bianchi in 1894. An inscription on the cover reads “PHONENDOSCOPE / TRADE MARK REG’D / BAZZI-BIANCHI / BOWLES / PAT’D OCT. 2-94 / PAT’D JAN. 19-97 / ROMA / SOLE AGENTS FOR U.S.A. / G. Pilling & Son, Philadelphia.
label: Description
content: This example may have been made by Martin Wallach, a medical and surgical instrument maker with shops in Cassel, Germany, and in Rome, Italy. Wallach applied for a U.S. trademark for the term “PHONENDOSCOPE” in 1897.
label: Description
content: Ref: Aurelio Bianchi, The Phonendoscope and Its Practical Applications (Philadelphia, 1898).
label: Location
content: Currently not on view
topic: label: associated subject
content: Endoscopy
setName: label: See more items in
content: Medicine and Science: Medicine
label: See more items in
content: Health & Medicine
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: ZZ.RSN83559U20
label: patent number
content: US575320A
objectType: label: Object Name
content: phonendoscope
label: Other Terms
content: Medicine
physicalDescription: label: Measurements
content: overall: 1 7/8 in x 2 7/8 in; 4.7625 cm x 7.3025 cm