Published by Pratt & Whitney Aircraft, East Hartford, 1969
Seller: 32.1 Rare Books + Ephemera, IOBA, ESA, Princeton, NJ, U.S.A.
Association Member: IOBA
Manuscript / Paper Collectible
Softcover. Condition: Fine. Five [5] Black and White Press Photos of the Psychoacoustic Test Chamber or Lab used in Pratt & Whitney's 1960s noise reduction research. The chambers were used in noise reduction research. Stamped "Pratt & Whitney Aircraft Photo" on verso.
Seller: GreatBookPrices, Columbia, MD, U.S.A.
Condition: New.
Seller: GreatBookPrices, Columbia, MD, U.S.A.
Condition: As New. Unread book in perfect condition.