General Information

Serial #

N/A

Part Number

1

Total Parts

3

AKA

N/A

Patents

N/A

General Description

Silver metal ear pieces, chest piece and tensioned bracket; black/dark- brown synthetic (?) tubing secured to chest piece by off-white fibre string; black/ dark-brown moulded synthetic ear buds.

Dimensions

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

Length

39.0 cm

Width

13.0 cm

Height

2.2 cm

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Medical Technology

Category

Instruments

Sub-Category

N/A

Manufacturer

AKA

Hartz

Country

Unknown

State/Province

Unknown

City

Unknown

Context

Country

North America

State/Province

Unknown

Period

Presumably used c. 1920s; 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

Designed by Alfred A. Douglass, this stethoscope style was promoted as an improvement to the Bowles stethoscope, and considered more sensitive. [Ref. 4]

Area Notes

Unknown

Details

Markings

"DOUGLASS STETHOSCOPE" and "[double heart logo]/ J.F. HARTZ CO. LTD." stamped into back of chest piece. UHN catalogue no. "969.144" printed by hand in black ink on original artifact tag [removed for storage in Supp. Info. file.]

Missing

Appears complete.

Finish

Silver metal ear pieces, chest piece and tensioned bracket; black/dark- brown synthetic (?) tubing secured to chest piece by off-white fibre string; black/ dark-brown moulded synthetic ear buds.

Decoration

N/A