Reply To: JEFF GRAHAM DATA BASE › Forums › General Discussion › JEFF GRAHAM DATA BASE › Reply To: JEFF GRAHAM DATA BASE October 11, 2020 at 9:58 am #6864 Alan BalmerKeymaster @alanbalmer Tom, is this what you’re looking for? https://www.gemsociety.org/article/choosing-right-faceting-machine/ For others – keep in mind that Jeff Graham had strong opinions but was not unbiased.