Show Ancient Decorations Shell crystalline spar bone an ivory were all employed ed by the ancients ancients an an- dents for architectural decoration On these hard substances the colorists colorists col col- could produce excellent de de- de signs The thin film of or color however however however how how- ever was not durable durable it it soon wore away and light places showed through Since those da days s 's modern modem methods of or decoration include certain certain certain tain to set the colors colars an I Ithe Ithe Ithe the steeping of small articles made from such dense substances in adye a 1 adye dye tIe bath for Cor several hours |