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

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