I don't think you will find anything looking for a Browning Model 10.
To my knowledge, there is no such animal.
It might be an FN (Browning) Model 1910 however.
If so, the "Manual" was printed inside the box lid.
If it is a 1910, you field strip it by:
1. Clearing the gun
2. Remove the magazine.
3. Snap the trigger to relieve firing pin tension.
4. Lock the slide back with the safety in the foreword take-down slide notch.
5. Rotate the barrel as far as it will go counter-clockwise.
6. Hold the slide against recoil spring tension and release the safety from the take-down notch.
7. Ease the slide foreword off the frame.
8. From there you can remove the barrel from the slide.
No further disassembly is needed or recommended for cleaning.
Mossberg 185 bolt-action shotgun:
There was no "manual".
The older model Mossberg's came with a simple "hang tag" which included an exploded parts diagram and very basic general disassembly instructions.
I believe you remove the bolt by opening it and holding the trigger back.
The bolt will then come out for cleaning.
rcmodel