The "G" and "N" numbers are typically British production numbers. I suspect the lower numbers reflect the manufacture date of March 3, 1918, but it's a little unusual to see that stamped on British props. Bob Gardner might comment on that.
I couldn't find any drawing numbers that would corrrespond to "1623", so I'm not sure what aircraft it might have been designed for.
The "G" and "N" numbers are typically British production numbers. I suspect the lower numbers reflect the manufacture date of March 3, 1918, but it's a little unusual to see that stamped on British props. Bob Gardner might comment on that.
I couldn't find any drawing numbers that would corrrespond to "1623", so I'm not sure what aircraft it might have been designed for.
Thank you Dave
i fund some more numbers maybe it will help D 2940 SH 184 P 2250
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