Hi Jan!
Yes, I attached a picture. It is from a later vessel from the 18th century, but nevertheless shows it nicely.
You have the bow-lines on the other square sails but not on the mizzen topsail. They are used to haul the sail taught when sailing close hauled.
Hope that clarifies what I mean...
-Radek
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On the Ocean:
Koga Elbląska,
Mayflower
On the Rollfield: Horten GO-229
In the Shipyard: Neptune, Een Hollandse Tweedekker
In the Garage: PANHARD AML20