Color Printing
the art of producing pictures, designs, cards, etc., in various colors by means of lithography, printing from metal blocks, etc. The as there are colors in the original, every color requiring a fresh stone. The drawas there are colors in the original, every original picture, or the like, is first made color requiring a fresh stone. The drawand a copy transferred to as many stones ing on each stone is made to fit in, or register, with the preceding one, and as the paper passes through an additional color is added every time, ch being allowed to dry and thus the picture is built up color before the next is put on) until it is comupon color (each pleted. Some chromos or oleographs may have as many as 25 or 30 printings or colors. (2) Block or surface color-printing is specially adapted for book illustrations or similar work where nicety of detail or rapidity is required. h the machine printings are necessary; but these, while producing similar effects, are reduced in number by a method of printing several tints of the same color at one operation.
Each block, which is usually of zinc and prepared in the usual way, is capable of producing three or more gradations of the same color; the darkest shade from the normal surface, lighter shades being got from parts which have been from the normal surface, lighter shades perceptible degree-the deeper corro- sions giving, of course, the lightest bitten or corroded in an almost impe sions giving, of course, the lightest are thus printed from one block and at shade. When all the tints of one color tions, in the same way, is used, registertions, in the same way, is used, registering as in chromo-lithography, and so on until the picture is finished. of Laodicea. It is mentioned by Xeno- Minor, in the S. part of the province of Phrygia, on the Lycus river 12 miles E. phon as "a populous city, prosperous and come "a small town." It was ruined by an earthquake in 61 A. D.; but it was great," but in the time of Strabo had bean earthquake in 61 A. D.; but it was was named Chone. or again rebuilt, and in the Middle Ages letter written to the Colossians by the Apostle Paul either from Rome Cæsarea, at the same time that he wrote The epistle contains a summary er and majesty of the epistles to the Ephesians and to Philemon. of Christian doctrine, especially dwelling on the divine power Christ, and a series of practical exhorta- A COLOSSUS tions to specific duties of Christian morality.