Vintage Nashville machinist 12-in-1 layout tool marked “Nashville – Made in USA – Pat. July 19, 1927”.

Adjustable multi-purpose machinist tool used for layout work, center finding, measuring offsets, and marking parallel lines in metalworking or machining applications.

Features sliding steel rule arms with adjustable center pivot.

Shows surface rust and wear consistent with age and shop use. All parts appear intact and move as designed.

A nice vintage American machinist tool from an older machine shop.

See photos for condition and measurements.