Vintage aircraft altimeter Aerosonic A35-AAU-8A/A, original US aviation instrument from the Cold War era (circa 1960s–1970s). This genuine pressure altimeter has a measuring range of 1,000 to 35,000 feet and features a classic analog dial with an adjustable barometric pressure window (inHg). Manufactured by Aerosonic Corporation (USA), it was typically used in military or aviation applications. The item is in good vintage condition with visible signs of age and use; the glass is intact. Marked “DO NOT BLOW IN TUBE,” indicating a sensitive internal mechanism. Approximate dimensions are shown in the photos with a ruler for reference. Carefully packed and shipped via DHL or UPS with tracking and insurance. Ideal for aviation collectors, military memorabilia enthusiasts, or industrial-style decor.