Early shuttered BO lights: Pics Needed

[GPW1942]

Does anyone have any of the early front black out lights they could send me some pics of the internals?
Thanx.
Dj

 

[MDSA]

How early? I have a M37 BO loight .

 

[NDT]

This?

 

[GPW1942]

Yes, I guess I should have said a series 1 GP. Mind was there, just didn't type it.
Yes I believe that is it, What are the inside parts? Are they different then a slat grill.