Weird stuff found in 1970-80's jar of vinegar???

Question

My friend and I went down to this old abandoned barn that appeared to be a chicken coop, in the back there was ths old room, with beds, clothes etc the dates varried from 1975-1980 on the counter there was this old jar filled with dark liquid, we poured it out and it seemed to be full of vinegar, in the vinegar there were two organ-like things... no idea what it could be... any ideas? click on the link below to view the picture. Thanks!

http://s278.photobucket.com/albums/kk93/bri1865/

Answer 1

Eech. They look like pieces of windpipe. Are they hollow?

Or could be some very old unidentified pickled vegetable?

Answer 2

might be some peserved ones...

Answer 3

No idea whatsoever. The thought scares me though.