Country of Origin: United States of America
Overall: 2 ft. long x 1 1/2 in. wide x 1/2 in. deep (61 x 3.8 x 1.3cm)
Sensors: Rubber, aluminium
Wires: Plastic-coated copper wire
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