I'm trying to research this mock up airpeed/altitude indicator (A part of a WW2 Waller Mark 2 Aerial Machine Gunnery Trainer) and would like to know what the "ORD. DRG." number represents.
I'm trying to research this mock up airpeed/altitude indicator (A part of a WW2 Waller Mark 2 Aerial Machine Gunnery Trainer) and would like to know what the "ORD. DRG." number represents.
I believe it is "Ordnance Drawing" which would be where the actual parts break down drawing could be found. The Ordnance Department would have that number referenced to that item and how it parts are broken down and how its is assembled.
Semper Fi
Phil
Agree, ordnance drawing number
Regards,
Jerry
Whatever its just an opinion.
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