Gallagher Blogs (from the University of Washington Law School Library) has a research tip that may come in handy one day, either around the dinner table or when writing a brief:
How Can You Compare Dollars (or Pounds or Yen) Over Time? (Sunday, December 6, 2009)
The Gallagher law librarian gives us a great example using the $80 cow, Rose of Aberlone, from the beloved law school case, Sherwood v. Walker, 33 N.W. 919 (Mich. 1887)).