Thistlebase
Measurer's Memo
Measurer's report on mast failures and centerboard issues discovered during the 1976 St. Petersburg Mid-Winters. Details problems with spreader strength and annealed tubing affecting boat performance.
View original on Google Drive · page 3
The scanned issue opens in Google Drive; turn to page 3.
This is a summary. The full article text is © the Thistle Class Association — read the original scan via the link above.