"It has been seen that the painting, disengaged from its impression made by paste and from every foreign substance, had been fixed on an impression made by oil, and that a level form had been given to the uneven parts of its surface. This master-piece was still to be solidly applied on a new ground: for that, it was necessary to paste paper over it again, detach it from the temporary gauze which had been put on the impression, add a new coat of oxyde of lead and oil, apply to it a gauze rendered very supple, and on the latter, in like manner done over with a preparation of lead, a raw cloth, woven all in one piece, and impregnated, on its exterior surface, with a resinous substance, which was to confine it to a similar canvass fixed on the stretching-frame. This last operation required that the body of the picture, disengaged from its _cartonnage_, or paper facing, and furnished with a new ground, should be exactly applied to the cloth done over with resinous substances, at the same time avoiding every thing that might hurt it by a too strong or unequal extension, and yet compelling every part of its vast extent to adhere to the cloth strained on the stretching-frame. It is by all these proceedings that the picture has been incorporated with a ground more durable than the original one, and guarded against the accidents which had produced the injuries. It was then subjected to restoration, which is the object of the second part of this Report." "We have been obliged to confine ourselves to pointing out the successive operations, the numerous details of which we have attended; we have endeavoured to give an idea of this interesting art, by which the productions of the pencil may be indefinitely perpetuated, in order only to state the grounds of the confidence that it has appeared to us to merit." SECOND PART. "After having given an account of the mechanical operations, employed with so much success in the first part of the restoration of the picture by RAPHAEL, it remains for us to speak of the second, the restoration of the painting, termed by the French artists _restauration pittoresque_. This part is no less interesting than the former. We are indebted to it for the reparation of the ravages of time and of the ignorance of men, who, from their unskilfulness, had still added to the injury which this master-piece had already suffered. "This essential part of the restoration of works of painting, requires, in those who are charged with it, a very delicate eye, in order to know how to accord the new tints with the old, a profound knowledge of the proceedings employed by masters, and a long experience, in order to foresee, in the choice and use of colours, what changes time may effect in the new tints, and consequently prevent the discordance which would be the result of those changes.