Page:De Vinne, Invention of Printing (1876).djvu/252

242 date 1468. There is a copy of the German Planetarium in the British Museum which contains only twelve printed pages. Berjeau describes it as a small quarto, and says, that although it is printed on both sides of the paper, it presents the appearance of impression by the frotton. The fac-simile illustration that is given underneath represents the influences of the planet Mercury. The artist before the easel is painting a Madonna; his servant is mixing colors with a muller; in the middle of the print is an organ-maker; to the right is a copyist; at his back are two gourmands; in the foreground is a sculptor at work on a statue; to the left is a goldsmith before his anvil. The descriptions of these works that have been given by the early German bibliographers are not clear. They represent the book as consisting of twenty-six pages printed on one