Historical clue formulations

• Measure of conductance — 2021-08-26
• Unit of conductance — 2017-11-20
• Former conductance unit — 2015-03-18
• Former name of the physics unit siemens — 2014-12-18
• Unit of electrical conductance — 2014-03-11
• Old electrical unit — 2013-04-02
• Old unit of conductance — 2012-11-14
• Unit now known as a siemens — 2011-12-21
• Measure of conductance — 2011-01-11
• Conductance unit — 2010-01-10
• Conductance unit — 2008-12-14
• Unit of conductance — 2007-04-07
• Conductance unit — 2007-01-02
• Unit of conductance — 2001-11-10
• Measure of conductance — 2001-01-07
• Measure of conductance — 2000-11-30
• Unit of conductance — 1999-12-13
• Conductance unit — 1994-10-29