I Found This Hanging From The Basement Rafters Of My 100 Year Old House. It Appears To Be Two Marbles Or Something Similar In A Hanger Of Some Sort. Any One Have A Clue What This Could Be?
Answer: It's a razor blade sharpener. A 1930s salesman's special and it doesn't even sharpen the blades just realigns the edge and gets you a few more shaves.
that's just CUM ! 
and to think all sorts of things such as this in our "drinking water"