Micrometer

[kd4gij]

In the case was a partial set of Proto inside mic. Didn't know proto made measuring tools.

 

[kd4gij]

A proto tools id mic was in the case also.

 

[Noell Wilson]

I picked up this 1960 vintage micrometer set. 2 questions, does anyone know who made them, And how to take them apart to clean them thay are stamped DC under the name

View attachment 422697

Do you need to clean them? They may be fine since they’ve been boxed and everything looks clean.