This is a venture to see if any link can be found between hammer numbers, hammer number fonts, and breech block types. I am not a font expert. I have grouped these from what I can tell are similiarities in font design.
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Font “F”(8)
#11
#105
#130(Double struck)
#150
#161
#1090
#1160
#1181
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Font “G”(1)
#110B
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