Aug 12, 2010 | Inner Toob
as Seen on TV: Philip Deidesheimer
AS SEEN IN: ' Bonanza ' AS PLAYED BY: John Beal From Wikipedia: Philip Deidesheimer was a German mining engineer who invented a system of supports for mines, using heavy timber "cubes" now known as square set timbering, that enabled skilled miners to open three-dimensional cavities of any size underground.
Also on Topix