Edward Dillon - Porcelain

As to the first—the application of coloured and easily fusible enamels to the surface of glass, which was then exposed to a second firing—this process had been used by the Arabs for the decoration of their mosque lamps and other vessels probably as early as the twelfth century, and this was an art identical in its system with the application of the same colours to the surface of porcelain. The beauty of the effect cannot have failed to have struck the Chinese if they had had any opportunity of seeing the finer specimens. But the material was fragile, and apart from a statement by M. Scherer that glass was exported from Aleppo to China, 44I cannot find in the accounts of the Arab trade of the time any record of such ware being imported into China.

On the other hand, we know that enamels on metal are first mentioned in the Ming annals about the middle of the fifteenth century. They take their name of Cheng-tai enamels from the emperor who reigned at that period; but the proper Chinese term for such enamels is Folang chien yao —‘the inlaid ware of Folang.’ Julien interpreted these words ‘ Porcelaines à incrustations (ornées d’émaux) de France ,’ and Dr. Hirth carries us to Bethlehem! But the word Folang is probably the same as the term Folin or Fulen , used as early as the sixth century for the Roman empire of the East, and it may possibly be connected with the Greek πόλις (cf. Stamboul = Εἰς τὴν πόλιν). 45It is definitely stated by a later Chinese writer that the same colours are employed by both the enameller on metal and the decorator of porcelain.

If we examine the colours found on both the wares to which we have tentatively traced back the enamelled porcelain of the Chinese—the enamels on glass on the one hand, and those on metal on the other—taking in each case the earlier specimens as examples, we find on the mosque lamps from Cairo little except a deep blue generally used as a ground for a design which is outlined in an opaque iron red. On the famous flask from Würzburg, now in the British Museum, for which a ‘Mesopotamian’ origin of the thirteenth century is claimed, a turquoise blue relieved by gilding is the predominant note; there is also a sparing use of yellow, of an opaque white, and, what is especially interesting, of a fine pinkish red, which is possibly obtained from gold. (The way in which this colour is shaded into the opaque white reminds us of the similar use of the rouge d’or in later times in China.)

If, on the other hand, we turn to the earlier Chinese enamels on metal, the so-called Ching-tai vases, attributed to the fifteenth century, we find among the colours used an opaque iron red, a yellow, an opaque white, and finally two kinds of blue, a turquoise and a full deep blue that looks like a cobalt colour. 46

Some time, then, during the sixteenth century, whether before or after the accession of Wan-li (1572), the Chinese began to decorate the surface of their porcelain with jewel-like enamels appliqués to the glaze. At first, apparently, these colours were confined to three: a copper green, a yellow generally of a buff tint, probably containing antimony as well as iron, and a purple derived from manganese. These are the San-tsai or three colours of the Chinese writers, and it will be seen that they differ from the colour triad of our ‘painted glazes’ (painted, that is, on biscuit and reheated in the demi grand feu ) in that the copper silicate is of a turquoise blue in the latter, and in the former of a full leafy green. The Chinese authorities further tell us that a second scheme of decoration was given by the Wu-tsai or the five colours which were made up by the three already mentioned, with the addition of an opaque red derived from the sesqui-oxide of iron (otherwise known as hæmatite, bole or red ochre), 47and finally of a cobalt blue, sous couverte , surviving as it were from the earlier blue and white ware, for, as we have mentioned, the use of the blue as an enamel over the glaze belongs to a later period.

So much for the teaching of the Chinese books; but when, attacking the subject from the other side, we examine the specimens of enamelled ware which for one reason or another—the coarseness and thickness of the paste, the moulded form, and the irregular surface—we should be inclined to attribute to the Ming dynasty, we are led to classify these earlier examples somewhat as follows:—

1. On a white ground a design, often, it would seem, of textile origin, roughly painted in an opaque red (like sealing-wax), with the addition of a leafy green and very rarely of a little yellow. This is a class of decoration much imitated in Japan at a later date, especially by the artist potters of Kioto and at Inuyama.

2. The same colours with the addition of blue, sous couverte . The design often takes the form of figures in a landscape, the whole broadly treated. The earliest type of the Imari ware (apart from the Kakiyemon) seems to be based on this scheme of decoration.

Both these classes are distinguished by the white ground, the sparing use of yellow, and the almost complete absence of manganese purple and turquoise blue.

3. A transparent enamel of leafy green, yellow and manganese purple painted on in washes so as to cover the whole ground. When with these colours we find the outline drawn in black, we have the basis of a large part of the famille verte . On the other hand, it is this class of decoration which probably carries on the tradition of the early Ming ware, sometimes described as ‘enamelled,’ but more probably all of it painted on the biscuit and fired in the demi grand feu .

In China it would seem that these enamelled wares were at first treated with a certain disfavour, if not with contempt, at least by the more cultivated classes. During Ming times, though porcelain thus decorated was doubtless made at King-te-chen, it was, at least up to the latter part of the reign of Wan-li, chiefly made in private factories. In fact we find a censor, in the reign of that emperor, protesting against the use of enamel colours (the wu-tsai ) in the porcelain supplied to the palace (Bushell, p. 241).

PLATE VII. CHINESE

We have now sketched out a description of the various kinds of porcelain made during the course of the Ming dynasty, and before going on at once to an account of the period associated with King-te-chen and the great rulers of the Manchu dynasty, it will be well to extract a few notes on points that may interest us from the somewhat voluminous records and descriptions of the porcelain of Ming times found in the books of the Chinese authorities. 48

Yung-lo (1402-24). 49—This great emperor, who sent out ships for conquest and for commerce as far as Ceylon, is for us especially associated with a white eggshell porcelain of which there are two remarkable specimens in the British Museum (see above, p. 67). Bowls of this thinness must have been pared down on the lathe, after throwing on the wheel, in the manner described on p. 22, until a mere translucent ghost of the original body was left, so that the name to-t’ai or ‘bodiless,’ by which this ware is known to the Chinese, is not inappropriate. The earliest blue and white porcelain of which there is any definite record was made in this reign, but the evidence for this is, of course, purely ‘documentary.’ The quality of the blue is said to have been surpassed only by that of the Hsuan-te and Cheng-hua periods.

Hsuan-te (1425-35).—The short reign of this emperor is connected in the mind of the Chinese with the finest works both of the metal worker and the potter. This period gave its name to the famous pale bronze so admired in later days by the Japanese. 50The blue of the Hsuan-te period, unsurpassed in later times, we are told, was derived from Arab sources, for the famous Su-ni-po and Su-ma-li blues are first mentioned at this time. The word Su-ma-li has been compared with the low Latin Smaltum , the prepared silicate of cobalt used by the mediæval glass-stainers, but from the description of this substance in the Chinese books, it would seem rather to have been of the nature of a native ore. When, however, we read in the same books of the origin of the brilliant red for which this reign was equally famous, how it was prepared from ‘powdered rubies of the West,’ we see how little reliance we can place in their accounts. This red, derived of course from the sub-oxide of copper, was applied either to cover the whole surface, as in the little bowls mentioned on p. 81(‘painted on the biscuit,’ says Dr. Bushell, but is this necessarily so?), or for the painting of a design in this case both alone and in combination with blue. We hear also of large jars and garden seats of a coarse porcelain, with dark blue and turquoise ground and decoration of ribbed cloisons, which were first made in this reign. Of this class we have spoken at length when treating of the ‘painted glazes.‘ 51Of what nature the decoration in five colours, which is also referred to this reign, may have been, it is difficult to say—we have no specimen so painted that we can assign to so old a period, but in this connection we certainly must not think of enamels painted over the glaze.