29A Lincoln stored vital fluid in old case. (8) - I've got ablative (anagram of vital inside "Abe"). However, I can't see where the "old case" fits in.
18D Obscure couple of notes found in Morecambe. (8) - I've got esoteric. I presume that the 'eric' is from Eric Morecambe, but can't understand where the 'esot' comes from.