General Information

Serial #

N/A

Part Number

1

Total Parts

2

AKA

N/A

Patents

N/A

General Description

Silver metal ear pieces and tensioned bracket, and chest piece: all appear chromed; black rubber ear buds and tubing.

Dimensions

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

Length

52.7 cm

Width

19.6 cm

Height

2.5 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

Canada

State/Province

Unknown

Period

Presumably used during mid 20th c.; 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. 3]

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. "995.2.1" printed by hand in black ink on underside of bracket.

Missing

Appears complete.

Finish

Silver metal ear pieces and tensioned bracket, and chest piece: all appear chromed; black rubber ear buds and tubing; smooth, off-white synthetic membrane.

Decoration

N/A