The above described invention is not to be confused with the long known device called {TAIL ~ a slugged relay}, that is, a relay whose armature winding is inductively coupled to a copper ring for delaying flux changes and hence retarding contact opening and {HEAD ~ closing} 
The above described invention is not to be confused with the long known device called { TAIL ~ a slugged relay } , that is , a relay whose armature winding is inductively coupled to a copper ring for delaying flux changes and hence retarding contact opening and { HEAD ~ closing }
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