Ives, Norton2015-10-102015-10-101944-01Ives, Norton. Count your Machinery Troubles before they Hatch. University of Minnesota Extension Service. Extension Pamphlet 131. January 1944.https://hdl.handle.net/11299/174660This archival publication may not reflect current scientific knowledge or recommendations. Current information available from the University of Minnesota Extension: https://www.extension.umn.edu.enNewsletter or Bulletin