Thistlebase
Chief Measurer's Column
Report on changes to the Thistle Class Measurement Certificate for 1958, including modifications to beam measurement procedures and boom length calculations. The Chief Measurer published new tolerances for measurement check points with detailed specifications for all relevant dimensions.
View original on Google Drive · page 4
The scanned issue opens in Google Drive; turn to page 4.
This is a summary. The full article text is © the Thistle Class Association — read the original scan via the link above.