Step cut, also called Trap Cut, orCushion Cut, method of faceting coloured gemstones in which the stone produced is rather flat with steps, or rows, of four-sided facets parallel to the girdle (the stone's widest part).
To assess experimentally the qualities of the S*-tree, we test it against the HL-quadtree, a previous spatial access method for coloured images, which is known to be space and time efficient.
Roller printing, also called direct printing, method of applying a coloured pattern to cloth, invented by Thomas Bell of Scotland in 1783.
While other Florentine artists were revolutionising painting and sculpture, they hit on a lovely method of covering terracotta with coloured glazes and stuck to it to churn out bright and breezy reliefs of the Nativity, decorative crests and garlands and fruits.
We notice elegant methods of demonstrating stream lines by means of coloured liquids, the Johnsen-Rahbek effect of friction due to small currents, experiments with the speaking arc, and some very pretty and ultramodern spectroscopic demonstrations.
Tie-dyeing, method of dyeing by hand in which coloured patterns are produced in the fabric by gathering together many small portions of material and tying them tightly with string before immersing the cloth in the dyebath.
Colour vision was tested by correct identification of coloured pencils.
Many of his prints were hand coloured, but he also printed colour by an offset method of his own invention.
The walls contain traces of coloured murals.
Width of coloured regions represent density estimates.
