Рresent the original Soviet device altimeter VD-20 it was installed on the Soviet jet passenger plane Tu-154. The Tu-154 is one of the fastest in the world (at one time) serial passenger liners, with a cruising speed of more than 900 km / h The altimeter is a flight-navigation device indicating the altitude of the airplane. The altimeter BD-20 ( ВД-20) is designed to measure altitude from 0 to 20 km Operating temperature range -60 to +60 ° C. The altimeter is vibration-proof with vibration in the range frequencies from 10 to 80 Hz with acceleration l, log and amplitude up to 0.5 mm. Altimeter is operable after acceleration rhenium 4g, directed alternately on three reciprocal but-perpendicular directions. The altimeter is functional in conditions of increased humidity (100%) at a temperature of + 40 ° C. The altimeter is vibration-proof with vibration in the range frequencies from 10 to 80 Hz with acceleration up to 1.5g and amplitude of oscillations up to 0.5 mm. Produced he period of the Cold War was made. Рresent the original Soviet device Ammeter A-3 aircraft The shaking strength is 10,000 strokes with a maximum acceleration of 4g at a frequency of 60 strokes to 100 beats per minute a vibration frequency of 20Hz to 80Hz. Execution is ordinary and tropical. The devices of series A are operable at an ambient temperature from -60 ° C to + 50 ° C; The scale of the A-3 scale is 50A; Inclusion shunt Sh-3; Time of calm - no more than 3s; Made in USSR. A good addition to your collection. For a full impression, see Photos I guarantee that the item will be qualitatively Packed and shipped within 3 business days. After sending the buyer gets the tracking number. SShipping from Ukraine to Europe (except Italy) is a minimum of 10 days to 30 days. Shipping in China min 14 to 45 days. Shipping to Italy, min 14 to 55 days.