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Posted by Dick Hosmer on Saturday, 27 September 2014, at 1:07 p.m.
This item, which is basically the first standardized long-range sight used on production US martila arms in significant quantity is somewhat familiar to all of us. It was used on MANY different arms of the period - not just trapdoors. There are two basic versions, rifle 900 yds., and carbine 700 yds., with some differences in the sighting notches. The leaf/ladder marks were always done in a font apparently identical to the 1868 serial font.
I have discovered a new, possibly even unique, variant. There is no 900 line at the top of the window, and the "9" is up next to the top notch. The 700 line is higher than normal. The numbers are in a TINY block font, entirely unlike the usual. The ladder is, physically, identical to the standard one.
Does anyone own another such? Has anyone heard of, or seen, another such?
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