Work Page 2-25
Osborne Mandolin 

Made in KY by Bryan England
Check setup
Level -Dress-Seal frets
Adjust Truss
Clean, Wax check all functions
Lube tuners
Setup on Ultra-Light gauge strings
Prepping for fret work
End dressing
GHS Ultra Lights.
Plays well up and down.
Leveling
Fine wool to finish.
At tension, need to back off truss.
Re-crowning
1/2 turn did the trick.
Thanks for looking and sharing.
VM