Crossword-Solution: QUADRANTAL 10 letters, 2 clues 🏆 scrabble score: 20

About three feet from the bent end, it receives, on a pin, three horizontal bars of iron, which at their other end lay hold of one corner of a quadrantal crank (like a bell crank) moving in a vertical plane, to the other corner of which is hooked the vertical handle of the pump.

For this he made an ornament composed in the grotesque manner, with a base of varied intertwined work and a decoration of quadrantal shape, adding six boys bearing certain festoons, who appear to be holding one another securely with their arms in their fear of the height.

Several important points were gained in the latter: the quadrantal deviation could be finally corrected for all latitudes; frictional error at the cap and pivot was reduced to a minimum, the average weight of the card being 200 grains; the long free vibrational period of the card was found to be favourable to its steadiness when the vessel was rolling.

From this has come the particular application in architecture to any kind of concave moulding, the term being usually applied to the quadrantal curve rising from the cornice of a lofty room to the moulded borders of the horizontal ceiling.

After the dots indicating the required divisions were obtained, either straight strokes all directed towards the centre were drawn through them by the dividing knife, or sometimes small arcs were drawn through them by the beam-compass having its fixed point somewhere on the line which was a tangent to the quadrantal arc at the point where a division was to be marked.