Historical clue formulations

• Sign of decay — 2026-09-15
• Fall into disrepair over time — 2025-11-19
• Reddish-brown color — 2025-11-02
• Old car concern — 2025-08-29
• Reddish brown — 2022-11-11
• Reddish hue — 2022-08-30
• Sign of inactivity — 2021-12-08
• Orange-brown hue — 2020-10-03
• Brownish shade — 2020-09-13
• Lack of practice, metaphorically — 2019-04-01
• Lack of practice, metaphorically — 2018-06-22
• Feature of many a jalopy — 2018-01-27
• Deteriorate with inactivity — 2017-09-12
• Sign of age — 2017-06-03
• Fall foliage color — 2016-03-18
• "Too much rest is ___": Sir Walter Scott — 2014-09-14
• Tin Man's worry — 2014-08-19
• Formation on 28-Down — 2013-08-02
• Sign of industrial decay — 2013-07-23
• Reddish brown — 2013-01-20
• Body shop concern — 2012-10-26
• Lie idle too long — 2009-09-24
• What oil helps dissolve — 2009-03-24
• Fall shade — 2008-10-18
• Impair through inactivity — 2008-02-17
• Reddish-brown — 2008-02-02
• Corrosion sign — 2007-11-05
• Sign of neglect — 2007-06-10
• Reddish-brown — 2006-12-20
• Tin Man's malady — 2006-10-29
• ___ Belt — 2006-04-09
• Fall shade — 2005-11-16
• Sign of disuse — 2005-03-02
• Oxidize — 2004-08-17
• Autumnal hue — 2003-03-15
• Fall shade — 2002-07-30
• Pipe problem — 2002-07-14
• What stainless steel doesn't do — 2001-09-03
• Color close to copper brown — 2001-02-25
• Fall color — 2000-10-17
• Red-brown — 2000-07-23
• Reddish-brown — 1999-02-23
• Reddish-brown — 1998-09-07
• Acquire signs of age — 1996-11-21
• Oxidize — 1996-07-23
• Jalopy feature — 1995-01-08