Historical clue formulations

• Rotor speed fig. — 2026-09-07
• Engine stat, in brief — 2025-12-31
• Dashboard reading, for short — 2025-11-24
• Stat for a D.J. — 2025-03-07
• Record player speed, for short — 2025-02-06
• Tach measure — 2025-01-07
• Rotation meas. — 2024-07-10
• Tach measure — 2024-04-10
• Record's speed, for short — 2023-06-05
• Tach reading — 2023-03-24
• Record fig. — 2022-11-09
• Curveball stat, for short — 2022-07-16
• Dashboard stat — 2022-04-26
• Dashboard reading, for short — 2022-01-18
• Record speed, for short — 2021-12-08
• Spinning inits. — 2021-11-13
• Meas. of engine speed — 2021-08-10
• Dashboard abbr. — 2021-07-14
• Record speed, for short — 2020-10-25
• 33 1/3 or 45: Abbr. — 2020-05-25
• Engine speed inits. — 2020-05-16
• Engine stat — 2020-03-25
• 45 or 78, for short — 2019-11-22
• Tachometer abbr. — 2017-09-27
• Meas. of engine speed — 2017-06-20
• Phonograph stat — 2017-04-16
• 33 1/3, for an LP — 2016-10-17
• Platter letters — 2016-07-24
• 78 letters — 2016-07-22
• Record stat — 2015-12-08
• Turntable measure, in brief — 2015-08-12
• Dashboard abbr. — 2015-05-17
• Tachometer abbr. — 2015-05-11
• Record number, for short — 2015-04-12
• Dashboard abbr. — 2014-11-23
• Dash letters — 2014-09-05
• Record stat — 2014-07-13
• 45 or 78: Abbr. — 2014-05-05
• 33 1/3, for a record album: Abbr. — 2014-03-03
• Tach readout — 2013-10-13
• 33 1/3, 45 or 78, briefly — 2012-09-10
• Letters after 33 or 45 — 2012-07-24
• 45 letters — 2012-03-07
• 45 ___ — 2012-02-01
• Meas. of engine speed — 2011-10-31
• Record stat — 2011-04-17
• 33 1/3, e.g., for a record: Abbr. — 2010-12-27
• 33 1/3, for an LP — 2010-12-14
• Tach measure — 2010-07-29
• 45 ___ — 2010-03-28