Try this. I believe that is an I not a J...
MEACHAM, I. & H.— Albany, N. Y. Makers of pinned-barrel, flint-
lock muskets for the State of New York.
http://americanlongrifles.org/forum/...;topic=24242.0
I can't find the original page with the hypelinks. but cut and paste the links and found this:
TK