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Bio-Sensors, Glenn, Friendship 7

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This object is on display in the Apollo to the Moon exhibition at the National Mall building.


Manufacturer: Unknown

Astronaut: John H. Glenn, Jr.

Country of Origin: United States of America

Dimensions: Overall: 2 ft. long x 1 1/2 in. wide x 1/2 in. deep (61 x 3.8 x 1.3cm)

Materials: Sensors: Rubber, aluminium Wires: Plastic-coated copper wire Microphone: aluminium

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.

Transferred from NASA - Manned Spacecraft Center

Inventory number: A19670189000

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