Before revision: For more information see: "Decamberer Maintains Lock Bar Straightness" by J. Neiland Pennington, Senior Editor, Modern Metals magazine pp 26-28, July 1997, Trend Publishing, Inc. Chicago, Il 60611-3110.
After revision: References "Decamberer Maintains Lock Bar Straightness" by J. Neiland Pennington, Senior Editor, Modern Metals magazine pp 26-28, July 1997, Trend Publishing, Inc. Chicago, Il 60611-3110.