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Thistles with Thomas sails took 4 of the top 10 places in this series. It was the 1967 Thistle Nationals.
Advertisement for Thomas sailmakers highlighting their success at the 1967 Nationals. Mentions cutting mains and jibs to improve upwind performance.
View original on Google Drive · page 5
The scanned issue opens in Google Drive; turn to page 5.
This is a summary. The full article text is © the Thistle Class Association — read the original scan via the link above.