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This Bio-Harness Assembly was worn under the Mercury pressure suit and was worn by John Glenn during his historic Friendship 7 flight on February 20, 1962.
The components consisted of an electrocardiograph signal conditioner, an impedance pneumograph signal conditioner and a DC-DC converter. These instruments monitored the physiological functions of the astronaut. The sensor attachment in the helmet was for respiration count.
Display Status
This object is not on display at the National Air and Space Museum. It is either on loan or in storage.
Object Details
Country of Origin
United States of America
Type
PERSONAL EQUIPMENT-Medical
Astronaut
John H. Glenn, Jr. Manufacturer
Unknown Dimensions
3-D (As Displayed): 61 × 3.8 × 1.3cm (24 × 1 1/2 × 1/2 in.) Materials
Sensors: Rubber, aluminium
Wires: Plastic-coated copper wire
Microphone: aluminium Inventory Number
A19670189000
Credit Line
Transferred from NASA - Manned Spacecraft Center
Data Source
National Air and Space Museum
Restrictions & Rights
Usage conditions apply
For more information, visit the Smithsonians Terms of Use.