UNITED INSTRUMENTS IVSI IND • $300 • FOR SALE • Model: 7130 SN: 8243. Instantaneous Vertical speed indicator. 0-3000FT/MIN. 30 day Guarantee! • BUY IT HERE • Contact Marlene Smith - PARTS FOR PLANES , Owner - located Davis, CA 95616 United States • Telephone: ---------- • Posted April 4, 2024 • Show all Ads posted by this Advertiser • Recommend This Ad to a Friend • Email Advertiser • Save to Watchlist • Report This Ad • View Larger Images