Stethoscope part

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OBJECT TYPE: non-specific/binaural/Cammann
DATE: 1860–1899
ARTIFACT NUMBER: 2002.0867.002

MANUFACTURER: Tiemann & Co.
MODEL: Dr. Cammann's
LOCATION: Unknown

More Information

General Information

Serial #: N/A
Part Number: 2
Total Parts: 2
AKA: chest piece bell
Patents: N/A
General Description: synthetic

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length: N/A
Width: N/A
Height: 3.7 cm
Thickness: N/A
Weight: N/A
Diameter: 4.1 cm
Volume: N/A

Lexicon

Group: Medical Technology
Category: Instruments
Sub-Category: N/A

Manufacturer

AKA: Tiemann
Country: Unknown
State/Province: Unknown
City: Unknown

Context

Country: Unknown
State/Province: Unknown
Period: Presumably used c. 1860- late 1890s; possibly also used later.
Canada: Part of a large collection of medical artifacts, archival material & trade literature transferred to CSTM in 2002 from the former History of Medicine Museum, Toronto, ON.
Function: Allows user to hear sounds from within the body. Especially used to listen to heart, pulse & lungs.
Technical: Improved stethoscope designed by George P. Cammann of New York introduced in 1855 is very similar to this design. The large bell-shaped chest piece was often held before the patient's mouth while the chest was percussed, to amplify "cracked pot" sound. Smaller chest pieces were used for ordinary auscultation. [Ref. 4] George Tiemann was the first to manufacture the Cammann stethoscope. This example was probably produce c. 1860 or later: it features longer flexible tubes attached by gutta percha connectors to the binaural ear tubes. The two parts of the instrument could be detached for carrying: this example could not be detached at time of cataloguing. [Ref. 5]
Area Notes: Unknown

Details

Markings: None, save UHN catalogue no." X969.452 C" printed by hand in white ink on side edge.
Missing: Appears complete.
Finish: Dark brown/black moulded synthetic chest piece extension.
Decoration: N/A

CITE THIS OBJECT

If you choose to share our information about this collection object, please cite:

Tiemann & Co., Stethoscope part, circa 1860–1899, Artifact no. 2002.0867, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/item/2002.0867.002/

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