Yawl sternpost, and could usually be raised to allow the boat to be beached. Yawl A yawl is a two-masted sailing craft whose mainmast is taller than the mizzen mast (or aft-mast). Compared to a similar sized ketch, a yawl's mizzen mast is set further aft and its mizzen sail is smaller. Historically, the yawl was a commercial working vessel, but today, the yawl is a fore-and-aft rigged pleasure yacht. In Europe yawls are much less common than the more popular ketch. The yawl was originally developed as a rowboat with two small masts to assist the oarsmen. (When adding a
How many angels can dance on the head of a pin? about how many could perch at the same time on the head of a pin"". Dorothy L. Sayers argued that the question was "simply a debating exercise" and that the answer "usually adjudged correct" was stated as, "Angels are pure intelligences, not material, but limited, so that they have location in space, but not extension." Sayers compares the question to that of how many people's thoughts can be concentrated upon a particular pin at the same time. She concludes that infinitely many angels can be located on the head of a pin, since they do not occupy any space there: