Historical clue formulations

• Screen meas. — 2016-01-31
• TV meas. — 2014-02-19
• TV screen meas. — 2012-06-28
• TV screen meas. — 2009-08-30
• Neither hor. nor vert. — 2007-03-18
• Rect. divider — 2007-01-18
• Corner-to-corner: Abbr. — 2003-07-14
• On a bias: Abbr. — 1995-05-20
• Certain measurement: Abbr. — 1994-07-30