Thistlebase
Measurer's Memo
Technical memo from the Chief Measurer discussing mast construction problems found at the 1981 Nationals, with specific measurements of oversized masts and recommendations for checking and correcting mast tolerance issues.
View original on Google Drive · page 7
The scanned issue opens in Google Drive; turn to page 7.
This is a summary. The full article text is © the Thistle Class Association — read the original scan via the link above.