Eastlake's preface tells the English reader how to take the book before Goethe says a word. What he values most is a feature that, he concedes, "cannot be a recommendation in a scientific point of view": the book carries the colour doctrine "of the ancients and of the Italians at the revival of letters", and his own notes trace it into "the practice of the Italian painters". The translator was a painter, later President of the Royal Academy, and the next paragraph of his preface records that he translated only the didactic part, leaving the polemic against Newton and the history to extracts. The English Goethe of 1840 was made for the studio. A reader looking here for Goethe's case against Newton finds only its allusions.
Theory of Colours — trans. Charles Lock Eastlake (1840)
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The translator’s English as printed (Charles Lock Eastlake). The original-language text is not held; names are romanised as the translator printed them.
In that part of the chapter on chemical colours which relates to the colours of plants and animals, the same genius and originality which are displayed in the Essays on Morphology, and which have secured to Goethe undisputed rank among the investigators of nature, are frequently apparent.
But one of the most interesting features of Goethe's theory, although it cannot be a recommendation in a scientific point of view, is, that it contains, undoubtedly with very great improvements, the general doctrine of the ancients and of the Italians at the revival of letters. The translator has endeavoured, in some notes, to point out the connexion between this theory and the practice of the Italian painters.
The "Doctrine of Colours," as first published in 1810, consists of two volumes in 8vo., and sixteen plates, with descriptions, in 4to. It is divided into three parts, a didactic, a controversial, and an historical part; the present translation is confined to the first of these, with such extracts from the other two as seemed necessary, in fairness to the author, to explain some of his statements. The polemical and historical parts are frequently alluded to in the preface and elsewhere in the present work, but it has not been thought advisable to omit these allusions. No alterations whatever seem to have been made by Goethe in the didactic portion in later editions, but he subsequently wrote an additional chapter on entoptic colours, expressing his wish that it might be inserted in the theory itself at a particular place which he points out. The form of this additional essay is, however, very different from that of the rest of the work, and the translator has therefore merely given some extracts from it in the appendix. The polemical portion has been more than once omitted in later editions.
In the two first parts the author's statements are arranged numerically, in the style of Bacon's Natural History. This, we are told, was for the convenience of reference; but many passages are thus separately numbered which hardly seem to have required it. The same arrangement is, however, strictly followed in the translation to facilitate a comparison with the original where it may be desired; and here the translator observes, that although he has sometimes permitted himself to make slight alterations, in order to avoid unnecessary repetition, or to make the author's meaning clearer, he feels that an apology may rather be expected from him for having omitted so little. He was scrupulous on this point, having once determined to translate the whole treatise, partly, as before stated, from a wish to deal fairly with a controversial writer, and partly because many passages, not directly bearing on the scientific views, are still characteristic of Goethe. The observations which the translator has ventured to add are inserted in the appendix: these observations are chiefly confined to such of the author's opinions and conclusions as have direct reference to the arts; they seldom interfere with the scientific propositions, even where these have been considered most vulnerable.
[1] "Farbenlehre"--in the present translation generally rendered
"Theory of Colours."