Alte Din  Suggested by Leefster 

Looks like a DIN derivative.. Closest I could find is 'Alte DIN'. But the S looks different. Maybe it helps?

Thanks! It does help

For anyone else that wants to know what font it is, I believe it to be Alte DIN 1451 Mittelschrift.

https://www.1001fonts.com/alte-din-1451-mittelschrift-font.html