Historical clue formulations

• Tiniest bit — 2016-04-27
• Half note — 2012-01-22
• Half note, in Britain — 2011-12-31
• 1/60 fluid dram — 2011-01-04
• 1/60 of a fluid dram — 2008-06-18
• Half note — 2002-08-25
• About one drop — 1998-10-07
• Half note — 1997-08-18
• 1/60 fluid dram — 1996-11-01