Sunnen honing machine control panel with Jones tachometer and MA…

Control panel of a Sunnen precision honing machine, with a Jones tachometer reading to 11,000 RPM, an ammeter, a red MAG OFF toggle, a mushroom-head stop button and three hand valve wheels below. Handwritten marker notes label the ALT, PUMP and oil-pump functions on the bare aluminum face.

AI caption February 2009 · Photo 274 of 465