✹ About Friday 7 August 1663 Jon Shemitz on 9 May 2024 • Link I don't think the 7 August 1663 "measuring rule" is likely to be a slide rule as per the mouse-over - the use to measure planks and masts suggests something more like a carpenter's rule that can be unfolded as necessary.
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About Friday 7 August 1663
Jon Shemitz • Link
I don't think the 7 August 1663 "measuring rule" is likely to be a slide rule as per the mouse-over - the use to measure planks and masts suggests something more like a carpenter's rule that can be unfolded as necessary.