![](https://www.freystuff.com/wp-content/uploads/2021/02/KnE-4058-MHF-21-F-DSCN4403-scaled.jpg)
![](https://www.freystuff.com/wp-content/uploads/2021/02/KnE-4058-MHF-21-B-DSCN4404-scaled.jpg)
![](https://www.freystuff.com/wp-content/uploads/2021/02/KnE-4058-MHF-21-St-DSCN4405-scaled.jpg)
![](https://www.freystuff.com/wp-content/uploads/2021/02/KnE-4058-MHF-21-Sb-DSCN4406-scaled.jpg)
No Serial Number
Clark McCoy’s K&E Catalogs – 4058 Information page
Catalog Number: MHF-21, Location MHF-D1
Slide Rules and Other Things
No Serial Number
Clark McCoy’s K&E Catalogs – 4058 Information page
Catalog Number: MHF-21, Location MHF-D1