This is just the beginning! Our collection holds over 300 years of history, including rare newspapers, obituaries, marriage records, birth records, and so much more—most of which you won’t find anywhere else!
Window in Cow Reveals Digestion for Veterinary Study
P L Clausen of North St Paul Minnesota a veterinarian cut a window in Betty a Jersey cow to view her stomach and digestive process. A glass pane was affixed to the opening and the stomach tissue sewn to the cow’s side to observe digestion. Four gold fish reportedly lived cloistered within the context of the experiment.
MENTIONED IN THIS ARTICLE
Betty
P. L. Clausen
North St. Paul, Mint
Clausén
Clausen
Yeas