Historical clue formulations

• Middle part of a pedestal — 2014-04-15
• Part of a pedestal between the base and the cornice — 2013-05-02
• Joint groove — 2012-11-13
• Carpenter's groove — 2012-02-17
• Woodworker's groove — 2008-05-20
• Woodworking channel — 2006-05-06
• Woodworker's groove — 2005-05-29
• Woodworking groove — 2004-08-17
• Pedestal part — 2002-09-19
• Pedestal part — 2002-06-19
• Part below a cornice — 2002-02-02
• Carpenter's groove — 2001-10-25
• Pedestal part — 2001-04-21
• Carpenter's groove — 2001-03-07
• Carpenter's groove — 2001-02-23
• Carpenter's groove — 1998-12-18
• Pedestal part — 1998-12-17
• Woodworking groove — 1998-01-25
• Carpenter's groove — 1997-12-19
• Carpenter's groove — 1997-02-12
• Pedestal part — 1994-09-29