Vintage IVO "Probator" Mechanical Tachometer / RPM Counter - German Engineering

A beautiful piece of vintage engineering history for collectors or classic machinery enthusiasts.

This is a genuine, German-made IVO "Probator" mechanical handheld revolution counter / tachometer. Historically used by engineers to measure the precise RPM of spinning shafts and machinery parts by pressing the tip directly against the rotating object.

Features:
* Made in Germany — exceptional classic mechanical build quality.
* Beautiful analog dial and integrated mechanical rolling counter window.
* Comes in its original fitted, velvet-lined storage case.
* Includes rubber tip accessories.

Condition:
Excellent vintage cosmetic condition as pictured. A fantastic display piece for a workshop or a functional tool for someone working on vintage engines and classic machinery.