Published on Fonts In Use now.
I think it may be Ionic Compressed, as shown in this 1867 Farmer catalog! The Great Primer size seems to match.
Among digital fonts, HiH’s revival of Besley Clarendon probably comes closest. It’s heavier and has bracketed serifs, though.
Bruce’s Clarendon Condensed is a tad too wide, see especially L and the sample’s straight-sided O.