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• 1919
  
• 1922
  
  Adjustable level
  invented by Empire
• 1935
  
  First torpedo level
• 1956
  
  Empire introduces
  Extruded Aluminum levels
• 1965
  
  Empire invents the
  Magnetic level
• 1967
  
  Mono Vial
  revolutionizes
  the industry
• 1978
  
  Empire develops
  Polycast® levels
• 1994
  
  Titan Box level
  is introduced
• 2004
  
  Empire introduces
  True Blue®
• 2005
  
  e70 is
  introduced
• 2006
  
  em71 is
  introduced
• 2007
  
  e50 is
  introduced
• 2009
  
  True Blue® e100
  is introduced
• 2013
  
  True Blue® Second Generation e2G Introduced