The image shows an Allen Tune Dwell Tachometer, a vintage automotive testing tool. • This device is used to measure engine RPM (tachometer function) and the dwell angle of the ignition points in older vehicles with points-type ignition systems. • • It's particularly useful for classic car enthusiasts or mechanics working on vintage vehicles to ensure proper ignition timing and engine performance. • Untested and unknown condition and whether it's in working order, wires are deteriorating. may be sold for display or collection
