Basically for as long as I can remember these lights (at my parents
house) have been burning out constantly. They are from 1974 and IMO
they need to be replaced. Should we call somebody to do it, or can
they be done by somebody who can replace electrical outlets and
switches?
I'm not Bob Villa, but I do know how to use tools and the like. Here
is what they look like:

http://img297.imageshack.us/my.php?i...11largehc4.jpg