The sheet thus rolled is roughly trimmed while hot and soft, so as to remove those portions of glass which have been spoilt by immediate contact with the ladle, and the sheet, still soft, is pushed into the open mouth of an annealing tunnel or " lear," down which it is carried by a system of moving grids.
Shakespeares reference in King Lear (Act iii., Sc. iv.) may be quoted as evincing acquaintance with mildew in the 17th century, as also the interesting Rouen law of Loverdo (1660).
In 1832 Edward Lear, afterwards well known as a humorist, brought out his Illustrations of the Family of Psittacidae, a volume which deserves especial notice from the extreme fidelity to nature and the great artistic skill with which the figures were executed.
The earliest English tragedy, Gorboduc (1565), the Mirror for Magistrates (1587), and Shakespeare's Lear, are instances in point.
Pedro contains the genealogy of Arthur and the adventures of Lear and Merlin.