For sale is a vintage Accurate Instrument Co. BT‑163 (Bronx, NY) dwell angle and tachometer meter. Designed for tuning older vehicles with distributor‑based ignition systems. Measures dwell angle and RPM for 4, 6, and 8 cylinder engines. Functions: Dwell, 1000 RPM, 5000 RPM. Analog needle meter with clear face. Original red/black leads included. Good cosmetic condition. Untested, but complete. Great for vintage automotive enthusiasts, garage décor, or anyone tuning classic cars. Asking $35. If the ad is up, it’s available. And please be sure to check out my other ads.