Vintage Original HELIOS 0-1" micrometer tool in wooden box made in Germany,

...outer dimension measuring tool, machinist tool making gauge A nifty little "ORIGINAL HELIOS" micometer measurement gauge, going from 0 to 1 inch. Made in Germany, it has plenty of signs of age and wear, but the opening / closing turning movement on it works well. Comes with the original wooden box, the paper label suggests it may have been retailed in Japan.