Historical clue formulations

• Fore-and-aft-rigged vessel — 2018-07-13
• Fore-and-aft-rigged vessel — 2016-04-08
• Two-master — 2001-11-01
• Yawl look-alike — 2001-01-28
• Fore-and-after — 1995-07-16
• Two-master — 1994-11-26
• Fore-and-aft vessel — 1994-02-06