CABIN PRESSURE ENVELOPESIGNED.
"Cabin Pressure Envelope Floatation [sic]," blueprints, McDonnell Aircraft Corporation, Saint Louis, MO, April 24-25, 1961. 2 sheets, the first with an additional date stamp of June 8, 1961. 77 x 36 and 59 x 36 inches, both ¼ scale.
Two large blueprints illustrating the astronaut's pressurized compartment which also provided buoyancy for the Mercury spacecraft after an ocean landing. Shown are the top, end and shear views of the entire Mercury spacecraft with the shear view illustrating center of gravity point and various load lines. Side panels and the cantoned section of the spacecraft are included.
Both signed by GORDON COOPER (with "Faith 7") and MAX FAGET (with "Mercury Designer"), the first also signed by SCOTT CARPENTER and WALLY SCHIRRA.
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