With the second period began, in the 14th century, the gradual displacement of the direct extraction of wrought iron from the ore by the intentional and regular use of this indirect method of first carburizing the metal and thus turning it into cast iron, and then converting it into wrought iron by remelting it in the forge.
The motive of this and of the succeeding novels of what may be called her second period is free (not to be confounded with promiscuous) love.
Now the second period of her history opens; it remained for Roman territory to become romanized.
Governor Miguel de la Torre, who ruled the island with vice-regal powers during the second period of Ferdinand's absolutism, sternly repressed all attempts at liberalism, and made the island the resort for loyal refugees from the Spanish mainland.
The principal characteristics of this second period are the magnificent portals, rising sometimes, as in the mosque of sultan Hasan, to 80 or 90 ft., with elaborate stalactite vaulting at the top, and the deep stalactite cornices which crown the summit of the building.
The history of invertebrate palaeontology during the second period is more closely connected with the rise of historic geology and stratigraphy, especially with the settlement of the great and minor time divisions of the earth's history.
During the second period the pupil has a choice of four courses: (1) Latin and Greek; (2) Latin and sciences; (3) Latin and modern languages; (4) sciences and modern languages.
Besides, nothing is gained by such a device, which would bring the year of the end of the second period down to the meaningless date 152, too late to refer to Onias.
The second period in Japanese glyptic art extends from the beginning of the 13th to the early part of the 17th century.
On the whole, then, it seems as if Aristotle began with dialogues during his second period under Plato, but gradually came to prefer writing didactic works, especially in the third period after Plato's death, and in connexion with Alexander.